Product Management Glossary
379+ product management terms, frameworks, metrics, and methodologies defined clearly and concisely.
Whether you're prepping for a PM interview, onboarding at a new company, or settling a debate about what "MVP" actually means, this is your single source of truth. Each term includes a plain-language definition and links to related frameworks, tools, and guides.
★ Most-Referenced Terms
Product-Market Fit
Core PM ConceptsOKR (Objectives and Key Results)
FrameworksMinimum Viable Product (MVP)
Core PM ConceptsAgile
Core PM ConceptsProduct-Led Growth (PLG)
Core PM ConceptsNorth Star Framework
FrameworksUser Story
Core PM ConceptsBacklog
Core PM ConceptsSprint
Core PM ConceptsChurn Rate
MetricsA/B Testing
Research and DiscoveryLTV (Customer Lifetime Value)
Metrics◆ Browse by Category
→ Go Beyond Definitions
Get All Key PM Terms in One PDF
The PM Toolkit Cheat Sheet: 50 tools, top frameworks, and key definitions in a printable 2-page reference.
Join 10,000+ product leaders. Instant PDF download.
Want full SaaS idea playbooks with market research?
Explore Ideas Pro →A
A/B Testing
A controlled experiment in which two or more variants of a page, feature, or flow are shown to different user segments simultaneously to...
AARRR (Pirate Metrics)
A framework developed by Dave McClure that breaks the customer lifecycle into five stages: Acquisition, Activation, Retention, Revenue, and...
AI Agent
An AI agent is an autonomous system that uses a language model to plan, reason, and execute multi-step tasks by calling tools and making...
AI Alignment
The research and engineering discipline focused on ensuring AI systems behave in accordance with human values, intentions, and goals rather...
AI Copilot UX
A design pattern where AI augments human work as a collaborative assistant rather than replacing the human, with the user maintaining...
AI Design Patterns
Reusable solutions to common UX challenges in AI-powered products, including patterns for confidence display, progressive disclosure,...
AI Evaluation (Evals)
Systematic testing of AI system outputs against quality benchmarks, safety criteria, and task-specific metrics to measure performance and...
AI Product-Market Fit
The state where an AI product solves a meaningful problem with measurable quality improvements and sustainable unit economics.
AI Safety
The research and engineering practices focused on preventing harmful AI behaviors, ensuring reliable operation under adversarial...
AI UX Design
The practice of designing user experiences for AI-powered products, addressing unique challenges like probabilistic outputs, user trust...
API Gateway
A server that acts as a single entry point for all client requests, routing them to the appropriate backend services while handling...
API-First Design
A development approach where the API contract is designed and agreed upon before building the implementation, enabling parallel development...
ARR / MRR (Annual Recurring Revenue / Monthly Recurring
ARR annualizes the value of all active subscriptions while MRR tracks the same monthly, serving as the primary revenue health metrics for...
ATS Optimization
Formatting and keyword-optimizing a resume to pass through Applicant Tracking Systems, increasing the chance of reaching a human reviewer...
Acceptance Criteria
A set of predefined conditions that a user story or feature must satisfy before it is considered complete and ready for release.
Accessibility (WCAG)
The Web Content Accessibility Guidelines, an international standard defining how to make digital products usable by people with visual,...
Accessibility (a11y)
Designing products usable by people with disabilities, following standards like WCAG and mandates like ADA to ensure inclusive experiences...
Activation Rate
The percentage of new users who complete a key action that correlates with long-term retention, often called the "aha moment."
Adoption Curve
A model describing how new products spread through a market in stages, from innovators and early adopters to the mainstream majority and...
Affinity Diagram
A collaborative technique in which team members write observations, ideas, or data points on sticky notes (physical or digital) and then...
Agentic AI
AI systems that can autonomously plan, reason, and take sequential actions to achieve complex goals with minimal human intervention,...
Agentic UX
The design of user experiences for autonomous AI agents that plan and execute multi-step tasks, requiring new UX patterns for oversight,...
Agile
A family of iterative and incremental software development methodologies grounded in the Agile Manifesto (2001), emphasizing working...
Agile Coach
A role focused on helping teams adopt and improve agile practices across process, mindset, and dynamics, enabling sustainable delivery...
Agile Estimation
Techniques for forecasting effort in agile teams using story points, t-shirt sizes, and ideal days to help PMs plan sprints and set...
Annual Contract Value (ACV)
The annualized revenue of a single customer contract, used to normalize deals of varying lengths and track sales performance across deal...
Associate Product Manager (APM)
An entry-level product management role, typically for candidates with 0-2 years of experience, often structured as a rotational program at...
Assumption Mapping
A technique for identifying and prioritizing the riskiest assumptions behind a product idea so teams test the most critical unknowns first.
Average Revenue Per Account (ARPA)
A B2B SaaS metric that measures the average revenue generated per customer account over a given period, reflecting account-level...
Average Revenue Per User (ARPU)
A SaaS metric that measures the average revenue generated per active user over a given period, typically monthly or annually, used to...
Average Selling Price (ASP)
The average revenue generated per deal or unit sold, calculated by dividing total revenue by the number of deals closed in a given period,...
B
Backlog
An ordered list of all work items. User stories, bugs, technical debt, spikes, and improvements. That a product team may deliver.
Backlog Grooming
The ongoing process of reviewing, refining, and prioritizing items in the product backlog to ensure the team always has well-defined work...
Backlog Refinement
An ongoing Scrum activity where the team reviews, clarifies, estimates, and prioritizes upcoming backlog items to ensure they are ready for...
Beta Testing
A pre-release testing phase in which a product or feature is made available to a limited group of external users under real-world...
Blameless Postmortem
A structured review process conducted after an incident or failure that focuses on understanding systemic causes and improving processes...
Blue Ocean Strategy
A strategic framework for creating uncontested market space by making competition irrelevant, rather than competing in existing markets.
Blue-Green Deployment
A release strategy that maintains two identical production environments, switching all traffic from one to the other to enable instant...
Bottoms-Up Adoption
A go-to-market strategy where individual users or small teams adopt a product first and organically spread usage within their organization,...
Build vs Buy
A decision framework for whether to build a capability in-house or purchase a vendor solution, weighing cost, time-to-market, control, and...
Burn Multiple
Burn Multiple measures capital efficiency by dividing net cash burned by net new ARR added, showing how much cash it costs to generate each...
Burn Rate
The rate at which a company spends its cash reserves, typically expressed monthly, used to calculate runway and inform fundraising and...
Burndown Chart
A visual graph that plots the amount of remaining work (often in story points or tasks) against time within a sprint or release.
Burnup Chart
A visual chart that tracks the total amount of work completed over time against the total scope, making scope changes visible alongside...
Business Case
A structured argument for investing in a product initiative, covering financial projections, strategic rationale, and risk assessment.
Business Model Canvas
A one-page strategic tool developed by Alexander Osterwalder that maps nine building blocks of a business: Key Partners, Key Activities,...
Buyer Persona
A profile of the person who makes or influences the purchasing decision, distinct from the end user, capturing buying motivations and...
C
CAC (Customer Acquisition Cost)
The total cost of sales and marketing efforts required to acquire a single new customer, calculated by dividing total acquisition spend by...
CAC Payback Period
CAC Payback Period measures the number of months it takes to recover the cost of acquiring a customer through their gross margin...
CI/CD (Continuous Integration / Continuous Delivery)
The practice of automatically building, testing, and preparing code changes for release, enabling faster and more reliable software...
Canary Release
Deploying a change to a small subset of users first, monitoring for issues, then gradually rolling it out to everyone to reduce the blast...
Capacity Planning
Determining a team's available bandwidth for a given time period, factoring in vacations, support duties, technical overhead, and...
Card Sorting
A user research method in which participants organize topic labels into categories that make sense to them, revealing their mental models.
Chain-of-Thought
A prompting technique that improves AI model reasoning by instructing it to break down complex problems into explicit, step-by-step...
Change Management
The structured approach to transitioning people, teams, and organizations from a current state to a desired future state while minimizing...
Chaos Engineering
A discipline of deliberately injecting failures into production systems to test resilience, identify weaknesses, and build confidence that...
Chief Product Officer (CPO)
The C-suite executive accountable for a company's entire product strategy, portfolio, and product management organization.
Churn Rate
The percentage of customers or subscribers who stop using a product during a given time period, serving as the inverse of retention and a...
Cognitive Load
The mental effort required to use a product feature, measured across intrinsic, extraneous, and germane types, directly influencing...
Cohort Analysis
A method of grouping users by a shared characteristic. Most commonly sign-up date. And tracking their behavior over time.
Committed Monthly Recurring Revenue (CMRR)
CMRR represents the forward-looking value of all active contracts plus signed deals not yet live, minus known upcoming churn and...
Competitive Analysis
A structured evaluation of competitors' products, positioning, and strategies to inform product decisions, covering feature gaps, pricing,...
Competitive Intelligence
Ongoing collection and analysis of competitor data to support product and go-to-market decisions, covering pricing changes, feature...
Competitive Moat
A sustainable advantage protecting a company from rivals, built through network effects, switching costs, brand strength, data assets, or...
Competitive Positioning
The strategic process of defining how your product is different from and better than alternatives in the minds of your target customers.
Context Engineering
Structuring information and instructions in AI prompts to maximize model performance, a critical skill for PMs building AI-powered product...
Context Window
The maximum amount of text, measured in tokens, that a large language model can process in a single interaction, including both the input...
Contextual Inquiry
A field-based research method in which the researcher observes and interviews users in their natural work or life environment while they...
Continuous Delivery
A software engineering practice in which code changes are automatically built, tested, and prepared for release to production at any time.
Continuous Discovery
A product management practice where teams conduct ongoing research activities every week to inform product decisions, rather than doing...
Contraction Revenue
Contraction revenue is the reduction in recurring revenue from existing customers who downgrade their plan, reduce seats, or decrease usage.
Contribution Margin
Contribution margin measures the revenue remaining after subtracting variable costs directly tied to serving a customer, expressed as a...
Conversational UX
A design paradigm where users interact with software through natural language dialogue rather than traditional graphical interfaces,...
Conversion Rate
The percentage of users who complete a desired action out of the total who had the opportunity, a key metric for funnel health and adoption.
Cost of Delay
The economic impact of not delivering a feature or product sooner, measured as lost revenue, market share, or strategic position per unit...
Cost-Benefit Analysis
A method for quantifying costs and expected returns of a product initiative, helping PMs compare alternatives and justify resource...
Cumulative Flow Diagram
A stacked area chart that visualizes the quantity of work items in each stage of a workflow over time, revealing bottlenecks, WIP problems,...
Customer Advisory Board (CAB)
A group of strategic customers providing ongoing product feedback and validating roadmap direction, offering qualitative insight alongside...
Customer Development
A methodology pioneered by Steve Blank in which founders and PMs systematically test business hypotheses by getting out of the building and...
Customer Effort Score (CES)
A metric measuring how easy it is for customers to accomplish tasks with your product, predicting loyalty more accurately than satisfaction...
Customer Feedback Loop
A systematic process for collecting user input, analyzing it, acting on it, and communicating back to users what changed as a result.
Customer Health Score
A composite metric that combines product usage, engagement, support interactions, and business signals to predict whether a customer will...
Customer Journey Map
A visual representation of every touchpoint a customer has with a product or company, from initial awareness through purchase, onboarding,...
Customer Onboarding
Guiding new users from signup to their first meaningful value moment in a product, directly influencing activation rates, retention, and...
Customer Retention
The ability of a product to keep its existing customers using and paying for the product over time, measured as a percentage of customers...
Customer Segmentation
Dividing your customer base into distinct groups based on shared characteristics to make targeted product and marketing decisions.
D
DACI Framework
A decision-making framework that assigns four roles to every decision: Driver, Approver, Contributors, and Informed, clarifying who does...
DAU / MAU (Daily Active Users / Monthly Active Users)
DAU counts unique users engaging daily while MAU covers 30 days; together they form the stickiness ratio that measures habitual product...
DAU/MAU Ratio
A product engagement metric that divides daily active users by monthly active users, expressing what percentage of your monthly user base...
Daily Standup
A brief, timeboxed daily meeting where team members synchronize work, surface blockers, and plan the next 24 hours. Also called the Daily...
Dark Patterns
User interface design choices that deliberately trick or manipulate users into actions they did not intend, such as hidden subscriptions,...
Data Flywheel
A self-reinforcing cycle where product usage generates data that improves the AI model, which improves the product experience, which drives...
Data Moat
A competitive advantage created when proprietary data improves a product's performance in ways competitors cannot replicate without similar...
Data-Driven Decision Making
The practice of basing product decisions on quantitative and qualitative evidence rather than intuition, authority, or assumptions.
Database Sharding
A horizontal scaling technique that partitions a database across multiple servers, with each shard holding a subset of the total data.
Decision Matrix
A scored table for evaluating options against weighted criteria, used in product management for feature prioritization and vendor selection...
Definition of Done (DoD)
A shared agreement within a team that specifies all conditions a piece of work must meet before it can be considered complete.
Definition of Ready (DoR)
A checklist of conditions a user story must meet before a team starts it in a sprint, reducing mid-sprint surprises and improving delivery...
Demand Generation
Creating awareness and interest that drives qualified pipeline for a product, spanning content marketing, events, partnerships, and...
Dependency
A relationship where one piece of work or system relies on another to proceed, creating scheduling constraints product managers must track...
Dependency Management
The practice of identifying, tracking, and resolving blockers between teams, systems, or features that affect delivery timelines.
Design Debt
Accumulated UX inconsistencies and design shortcuts that degrade user experience over time, increasing cognitive load and eroding trust in...
Design Review
A structured meeting where a cross-functional team evaluates design work against user needs, business goals, and technical constraints...
Design Sprint
A five-day structured process created at Google Ventures for rapidly solving big product problems through ideation, prototyping, and user...
Design System
A collection of reusable UI components, patterns, and guidelines ensuring consistent product design at scale while reducing development...
Design System for AI
An extension of traditional design systems that includes components, patterns, and guidelines specifically for AI-powered features,...
Design Thinking
A human-centered problem-solving methodology from IDEO and Stanford's d.school, guiding teams through empathize, define, ideate, prototype,...
DevOps
A set of practices that unifies software development and IT operations to shorten delivery cycles and improve reliability.
Diary Study
A longitudinal research method in which participants record their experiences, behaviors, and thoughts over a period of days or weeks using...
Digital Adoption
The process by which users learn to use a digital product effectively, moving from initial exposure to proficient, habitual usage of its...
Discovery (Product Discovery)
The ongoing practice of determining what to build by understanding customer problems, validating assumptions, and evaluating solutions...
Dogfooding
The practice of using your own product internally before releasing it to customers, allowing teams to catch usability issues, bugs, and...
Double Diamond
A design process model from the UK Design Council that visualizes work in four phases across two diamonds: Discover (diverge), Define...
Dual-Track Agile
An approach in which a product team runs two parallel tracks: a discovery track (exploring problems and validating solutions) and a...
E
Edge Inference
Running AI models directly on user devices like phones, laptops, and IoT hardware rather than sending data to cloud servers, enabling...
Embeddings
Dense vector representations of text, images, or other data that capture semantic meaning, enabling AI systems to measure similarity and...
Empowered Teams
A concept championed by Marty Cagan describing product teams that are given problems to solve rather than features to build.
Engagement Rate
The proportion of users who interact meaningfully with a product or feature over a period, a leading indicator of retention and...
Epic
A large body of work that can be broken down into multiple user stories or tasks, used in agile planning to organize features into...
Estimation
Predicting the effort, time, or complexity needed to complete product work, informing sprint planning, roadmap commitments, and resource...
Expansion Revenue
Revenue growth from existing customers through upsells, cross-sells, and add-ons, often the most capital-efficient path to increasing...
Experiment Design
A structured approach to testing product hypotheses with controlled experiments, covering sample size, duration, metrics, and statistical...
Explainability (XAI)
The degree to which an AI system's decisions and outputs can be understood by humans, and the techniques used to make opaque models...
F
Fake Door Test
A discovery technique in which a button, link, or menu item for a feature that does not yet exist is presented to users.
Feature Adoption
The percentage of active users who have used a specific feature at least once (or on a recurring basis), measured to assess whether shipped...
Feature Creep
The uncontrolled expansion of a product's feature set beyond its original scope, often driven by stakeholder requests, competitive...
Feature Factory
A pejorative term for a product team that churns out features based on stakeholder requests without validating whether those features solve...
Feature Flag
A software mechanism that allows teams to enable or disable a feature for specific user segments without deploying new code.
Feature Parity
When two products or versions offer the same set of features, often a milestone during platform migrations, rewrites, or multi-platform...
Feature Prioritization
The process of deciding which features to build next based on user value, business impact, effort, and strategic alignment.
Feature Request
A suggestion from a user, customer, or internal stakeholder to add new functionality or change existing behavior in a product.
Few-Shot Learning
A technique where AI models learn to perform tasks from just a small number of examples provided in the prompt, without requiring...
Fibonacci Estimation
An agile estimation technique that uses the Fibonacci sequence (1, 2, 3, 5, 8, 13, 21) to size work items, reflecting the inherent...
Fine-Tuning
The process of further training a pre-trained AI model on a smaller, task-specific dataset to adapt its behavior and improve performance...
First Principles Thinking
A problem-solving approach that breaks down complex problems into their fundamental truths and builds solutions from the ground up rather...
First-Mover Advantage
The competitive benefit of being the first to enter a new market or category, though sustaining the lead requires strong execution and...
Flywheel Effect
A concept from Jim Collins describing a self-reinforcing cycle in which each component of a business model feeds and accelerates the next,...
Foundation Model
Large pre-trained AI models trained on broad datasets that can be adapted through fine-tuning or prompting for a wide variety of downstream...
Freemium
A pricing model in which a basic version of the product is offered for free while advanced features, higher usage tiers, or premium support...
Function Calling
A large language model capability that enables AI to invoke external tools, APIs, and services based on natural language input, bridging...
Funnel Analysis
A method of measuring and visualizing the sequential steps users take toward a desired action, identifying where users drop off and which...
G
Go-to-Market Strategy (GTM)
The plan for how a company will launch a product or feature to the target market, encompassing positioning, pricing, distribution channels,...
Go/No-Go Decision
A formal checkpoint where a cross-functional team decides whether to proceed with a launch based on readiness criteria, risk assessment,...
GraphQL
A query language for APIs that lets clients request exactly the data they need from a single endpoint, reducing over-fetching and...
Grooming (Backlog Refinement)
A recurring team activity in which backlog items are reviewed, re-prioritized, broken down, and enriched with detail so they are ready for...
Gross Dollar Retention (GDR)
Gross Dollar Retention measures the percentage of recurring revenue retained from existing customers excluding any expansion revenue,...
Gross Margin
Revenue minus cost of goods sold as a percentage, the fundamental measure of product profitability and a key input for pricing and...
Grounding
Connecting AI model outputs to verified factual sources, databases, or real-time information to reduce hallucination and ensure responses...
Group Product Manager (GPM)
A senior PM who manages a team of product managers while still owning a product area, combining IC ownership with people leadership.
Growth Hacking
Rapid experimentation across marketing and product to find scalable growth levers, blending data analysis and creative tactics to drive...
Growth Loop
A self-reinforcing system where the output of one step becomes the input of the next, creating compounding growth without proportional cost...
Growth Metric
A measurement tracking how quickly a product expands its user base, revenue, or market reach, guiding resource allocation and go-to-market...
Growth Product Manager
A PM specializing in acquisition, activation, retention, and monetization, running rapid experiments to move growth metrics across the user...
Guardrails
Safety mechanisms and constraints built into AI systems to prevent harmful, inappropriate, or off-topic outputs and ensure model behavior...
H
HEART Framework
A user-experience metrics framework from Google that measures five dimensions: Happiness, Engagement, Adoption, Retention, and Task success.
Hallucination
When an AI model generates false, fabricated, or unsupported information that appears plausible but is not grounded in its training data or...
Head of Product
The senior leader responsible for the product management function, typically at startups and scaleups with 50-500 employees.
Heuristic Evaluation
A usability inspection method where evaluators examine an interface against established design principles to identify usability problems...
Human-AI Interaction
The study and design of how humans and AI systems collaborate, communicate, and share control, encompassing interaction patterns, trust...
Human-in-the-Loop
A system design pattern where humans review, approve, or correct AI-generated outputs at critical decision points, balancing automation...
Hypothesis Testing
A structured method for validating product assumptions by defining testable predictions and evaluating them against evidence.
Hypothesis-Driven Development
An approach in which product teams frame every initiative as a testable hypothesis: \"We believe that [action] will result in [outcome] as...
I
ICE Scoring
A lightweight prioritization method that scores ideas on three dimensions: Impact (how much will it move a key metric), Confidence (how...
Ideal Customer Profile (ICP)
A firmographic description of the type of company most likely to get value from your product and become a long-term customer.
Ideation
The creative process of generating new product ideas to solve user problems, using techniques like brainstorming, sketching, mind mapping,...
Impact Mapping
A strategic planning technique created by Gojko Adzic that connects business goals to deliverables through a four-level map: Goal (why),...
Incident Management
The process of detecting, responding to, and resolving production issues that affect users, followed by a post-mortem to prevent recurrence.
Increment
A concrete, usable piece of product functionality delivered at the end of a sprint that meets the Definition of Done and adds value to the...
Inference
Inference is the process of running a trained AI model to generate predictions or outputs from new inputs, as opposed to training the model.
Information Architecture (IA)
The structural design of information spaces. How content and features are organized, labeled, and connected in a product.
Initiative
A large body of work that advances a strategic theme, typically spanning multiple sprints and composed of several epics, with a defined...
Initiative Roadmap
A roadmap format that organizes planned work around strategic initiatives or themes rather than specific features or dates.
Intelligence Moat
A competitive advantage from embedding AI into domain-specific workflows, regulations, or contexts that general models cannot replicate.
Internal Stakeholder
A person or team within the organization with a vested interest in product decisions and outcomes, requiring ongoing communication and...
Iteration
A time-boxed cycle of building, measuring, and learning to incrementally improve a product based on real user feedback, central to agile...
J
K
Kanban
A visual workflow management method from Toyota's production system, using columns and WIP limits to optimize flow and reduce cycle time in...
Kano Model
A product feature classification framework developed by Noriaki Kano that categorizes features into five types: Must-Be (basic...
Key Result
A measurable outcome indicating progress toward an objective in the OKR framework, typically quantitative and time-bound to ensure team...
L
LTV (Customer Lifetime Value)
The total net revenue expected from a single customer over the entire relationship, guiding decisions on acquisition spending and retention...
Land and Expand
A go-to-market strategy where a company wins a small initial deal within an organization and then grows revenue by expanding usage, seats,...
Landing Page Test
A discovery technique in which a purpose-built web page describes a proposed product or feature, measures interest through sign-ups or...
Large Language Model (LLM)
A type of AI model trained on massive text datasets that can understand and generate human language, powering applications like chatbots,...
Launch Readiness
A cross-functional assessment of whether a product or feature is prepared for release across engineering, marketing, sales, support, and...
Lean Canvas
A one-page business model template adapted from Business Model Canvas, designed for startups and new product initiatives.
Lean Product Development
Applying lean principles like waste reduction, flow optimization, and validated learning to software, keeping teams focused on delivering...
Lean Startup
A methodology by Eric Ries centered on the Build-Measure-Learn feedback loop, helping product teams validate ideas quickly and reduce...
Logo Retention
Logo retention measures the percentage of customers (logos) retained over a period, regardless of how much each customer spends.
M
Market Opportunity
An identified gap in the market where unmet customer needs or underserved segments create potential for a new or improved product to...
Market Positioning
Where your product sits relative to competitors in customers' minds, defined by the value you deliver to a specific audience.
Market Research
Systematic gathering and analysis of data about a target market, including customer needs, competitors, and market dynamics.
Market Segmentation
The process of dividing a broad market into distinct groups of buyers with different needs, characteristics, or behaviors.
Market Sizing (TAM / SAM / SOM)
TAM, SAM, and SOM are three nested lenses product teams use to estimate market opportunity size and define realistic addressable segments...
Marketplace
A platform that connects buyers and sellers to facilitate transactions, earning revenue through transaction fees, commissions, or listing...
Metric (Leading vs. Lagging)
Leading metrics predict future outcomes while lagging metrics measure past results. Product teams track both to understand performance and...
Metric Tree
A hierarchical model that breaks down a top-level business metric into its component parts to show how each sub-metric contributes to the...
Microservices
An architecture pattern where an application is built as a collection of small, independently deployable services, each owning a specific...
Minimum Lovable Product (MLP)
The smallest version of a product that customers will love and recommend, delivering enough quality and delight to earn organic...
Minimum Viable Experiment (MVE)
The smallest possible test that can validate or invalidate a product assumption, designed to maximize learning with minimal investment.
Minimum Viable Product (MVP)
The smallest version of a product that can be released to test a key business hypothesis with real users, maximizing validated learning...
MoSCoW Prioritization
A prioritization technique that categorizes requirements into four buckets: Must Have (non-negotiable for launch), Should Have (important...
Model Distillation
A technique for creating smaller, faster, and cheaper AI models by training them to replicate the behavior of larger, more capable models...
Model Drift
When an AI model's performance degrades because production data diverges from training data, requiring monitoring, retraining, and updated...
Monolith
A software architecture where the application is built and deployed as a single codebase, simple at small scale but creating bottlenecks as...
Multi-Agent Systems
Architectures where multiple specialized AI agents collaborate, delegate, and coordinate to solve complex tasks that exceed the capability...
Multi-Modal AI
Multi-modal AI refers to models that can process and generate multiple data types such as text, images, audio, and video within a single...
Multimodal AI
AI systems that can process, understand, and generate multiple types of data including text, images, audio, video, and code within a...
Multimodal UX
The design of user experiences that fluidly combine multiple input and output modalities. Text, voice, image, gesture, and video.
Multivariate Testing
An experimentation method testing multiple variables at once to find the best combination, revealing interaction effects that sequential...
N
NPS (Net Promoter Score)
A customer loyalty metric calculated by asking users how likely they are to recommend a product on a 0-10 scale, then subtracting the...
Net Dollar Retention (NDR)
Net Dollar Retention measures the percentage of recurring revenue retained from existing customers over a period, including expansion,...
Net Negative Churn
A growth metric where expansion revenue from existing customers (upsells, cross-sells, plan upgrades) exceeds the revenue lost from churned...
Net Revenue Retention (NRR)
The percentage of recurring revenue retained from existing customers over a period, including expansion, contraction, and churn.
Network Effects
When a product becomes more valuable as more people use it, creating a self-reinforcing growth loop that strengthens the product's...
North Star Framework
A strategic framework in which a team identifies a single North Star Metric that captures the core value delivered to customers, supported...
North Star Metric
The single metric that best captures the core value your product delivers to customers, used to align all teams around a shared measure of...
O
OKR (Objectives and Key Results)
A goal-setting framework that aligns teams around ambitious objectives paired with measurable key results, popularized by Intel and scaled...
Objective
A qualitative, aspirational goal that defines what a team wants to achieve, used as the directional half of the OKR framework.
Observability
The ability to understand a system's internal state from its external outputs, using logs, metrics, and traces to diagnose issues without...
Onboarding
Guiding new users from signup to their first moment of value in a product, directly impacting activation rates, retention, and long-term...
Opportunity Cost
The value of the best alternative you give up when choosing one option over another, applied to product decisions about where to invest...
Opportunity Solution Tree
A visual framework created by [Teresa Torres](https://www.producttalk.org/) that maps a desired outcome at the top, branches into...
Outcome vs. Output
The distinction between measuring what a team ships (outputs) versus the user or business impact of what they ship (outcomes).
Outcome-Driven Innovation (ODI)
A strategy framework developed by Tony Ulwick that uses customer-defined outcomes to identify unmet needs, prioritize opportunities, and...
P
PM Career Ladder
A structured progression framework that defines product management levels from APM through CPO, including the skills, scope, and impact...
PM Portfolio
A curated collection of case studies, product teardowns, and side projects that demonstrates product management thinking and skills to...
PRD (Product Requirements Document)
A document that articulates the purpose, features, behavior, and constraints of a product or feature for the development team.
Partner Ecosystem
The network of integrations, resellers, and complementary products around a platform that extend product value and create distribution...
Persona
A research-based archetype representing a target user segment, used by product teams to align decisions around real user needs, goals, and...
Phased Rollout
Gradually releasing a feature to increasing user segments, monitoring health metrics at each stage before expanding further.
Pivot
A structured course correction where a startup or product team changes strategy based on validated learning while preserving what works.
Planning Poker
An agile estimation technique where team members simultaneously reveal point estimates to avoid anchoring bias and arrive at consensus...
Platform Business Model
A business model where a company creates value by facilitating interactions between two or more user groups, capturing a share of the value...
Platform Strategy
A business model in which the company creates value by facilitating interactions between two or more distinct user groups (e.
Platform Team
An internal team building shared infrastructure and services for other product teams to ship faster, reducing duplication across the...
Porter's Five Forces
Porter's framework analyzing five competitive forces that shape industry profitability, helping product teams assess market attractiveness...
Positioning
The deliberate process of defining how a product should be perceived in the minds of the target audience relative to competitors.
Predictive Analytics
Using historical data, statistical algorithms, and machine learning to forecast future user behavior and product outcomes like churn risk,...
Pricing Strategy
How a product team sets, structures, and evolves pricing to capture value, balancing willingness to pay, competitive positioning, and unit...
Prioritization
The process of deciding what to build next from a pool of competing opportunities, balancing factors like user impact, business value,...
Problem Statement
A concise articulation of the user problem a team is solving, framed from the user's perspective, providing focus for discovery, design,...
Product Analytics
The practice of collecting, measuring, and analyzing user interaction data within a product to inform decisions about features, growth,...
Product Backlog
An ordered list of all known work items, features, bugs, and improvements that a product team might deliver, maintained and prioritized by...
Product Brief
A concise document that defines the problem, target user, goals, and success criteria for a product initiative before detailed work begins.
Product Council
A cross-functional leadership group that reviews product strategy, resolves prioritization conflicts, and makes portfolio-level investment...
Product Debt
The accumulated cost of past product decisions that were expedient at the time but now slow down iteration, confuse users, or increase...
Product Designer
A designer who owns the end-to-end user experience for a product area, from research through interaction design to visual polish.
Product Development
The end-to-end process of conceiving, designing, building, and launching a product, spanning discovery, design, engineering, testing, and...
Product Development Lifecycle (PDLC)
The stages a product goes through from initial idea to shipped feature: ideation, definition, design, build, test, launch.
Product Differentiation
What makes a product meaningfully different from alternatives in ways that matter to target customers, spanning features, experience,...
Product Discovery
The process of determining what to build by identifying user problems, validating solutions, and reducing risk before committing...
Product Experimentation
The systematic practice of testing product changes through controlled experiments to measure their impact before committing to a full...
Product Launch
The coordinated release of a new product or major feature to the market, encompassing technical deployment, marketing, sales enablement,...
Product Lifecycle
The four stages a product passes through from launch to discontinuation: introduction, growth, maturity, and decline, each demanding...
Product Management
The discipline of guiding a product from conception to market success by balancing user needs, business goals, and technical constraints.
Product Metrics
Quantitative measurements that track product performance, user behavior, and business outcomes to inform product decisions.
Product Ops (Product Operations)
A function that supports product teams by streamlining tools, processes, data access, and communication so PMs can focus on discovery and...
Product Owner
The Scrum role responsible for maximizing product value by managing the backlog, serving as the bridge between stakeholders and the...
Product Portfolio
The collection of products a company manages as a unified set of investments, requiring balanced allocation across growth, cash-cow, and...
Product Requirement Document (PRD)
A detailed specification that defines what a product or feature should do, who it is for, and the acceptance criteria for successful...
Product Sense
The ability to identify problems worth solving, evaluate solutions users will adopt, and make sound product decisions without complete data.
Product Spec
A document that defines the detailed design and behavior of a feature, including user interactions, system responses, and edge cases.
Product Strategy
The plan that connects a company's vision and business objectives to the specific product decisions the team makes, defining who you build...
Product Thinking
A problem-first mindset that focuses on understanding user needs and delivering outcomes, rather than jumping to feature solutions.
Product Trio
A cross-functional leadership model in which the product manager, the tech lead (or engineering manager), and the product designer...
Product Vision
A concise statement describing the future state a product aims to create for its users and market, guiding roadmap priorities and aligning...
Product-Led Growth (PLG)
A go-to-market strategy in which the product itself is the primary driver of acquisition, conversion, expansion, and retention.
Product-Led Sales (PLS)
A go-to-market motion where free product usage generates qualified leads for a sales team to close, combining self-serve adoption with...
Product-Market Fit
The state in which a product satisfies a strong market demand, evidenced by organic growth, high retention, and enthusiastic word-of-mouth.
Product-Market Fit (PMF)
The point at which a product satisfies strong market demand, evidenced by organic growth, high retention, and users who would be very...
Product-Qualified Lead (PQL)
A prospective customer whose in-product behavior signals readiness to buy, based on actual usage rather than marketing engagement.
Progressive Disclosure
A design pattern that reduces cognitive load by showing only essential information first, then revealing additional complexity as users...
Prompt Engineering
The practice of designing and refining inputs to AI models to elicit more accurate, relevant, and useful outputs for specific tasks and use...
Prototype
A preliminary model of a product or feature used to test assumptions before full development, ranging from paper sketches to interactive...
Q
Qualitative Research
Research methods that explore the \"why\" and \"how\" behind user behavior through open-ended techniques such as interviews, contextual...
Quantitative Research
Research methods that measure user behavior and attitudes at scale through structured data collection such as analytics, surveys with...
R
RACI Matrix
A framework that clarifies decision roles by assigning Responsible, Accountable, Consulted, and Informed status to each stakeholder.
RAPID Framework
A decision-making framework developed by Bain & Company that assigns five roles: Recommend, Agree, Perform, Input, and Decide, designed to...
REST API
An architectural style for web services that uses standard HTTP methods and resource-based URLs to enable communication between systems.
RICE Framework
A prioritization framework [developed at Intercom](https://www.intercom.com/blog/rice-simple-prioritization-for-product-managers/) that...
RLHF (Reinforcement Learning from Human Feedback)
RLHF is a training technique that aligns AI model behavior with human preferences by using human evaluators to rank outputs and training a...
Rate Limiting
A technique that controls how many requests a client can make to an API or service within a given time window, protecting against abuse and...
Red-Teaming
An adversarial testing methodology where testers deliberately attempt to find vulnerabilities, failure modes, and harmful outputs in AI...
Refactoring
Restructuring existing code to improve its internal quality without changing its external behavior, reducing future development costs.
Regression Testing
Testing existing functionality after code changes to verify previously working features remain intact, typically automated in CI pipelines...
Reinforcement Learning from Human Feedback (RLHF)
A training method where human evaluators rate AI model outputs, and those preference signals are used to fine-tune the model to produce...
Release Cadence
The regular rhythm at which a product team ships updates to production, ranging from continuous deployment to scheduled quarterly releases.
Release Management
Planning, scheduling, and controlling software releases across environments, ensuring quality, minimizing downtime, and managing rollback...
Release Notes
A summary of changes, new features, bug fixes, and improvements included in a product release, written for users and stakeholders.
Release Planning
Mapping features to target releases across sprints, balancing scope, quality, and timing to deliver value incrementally while meeting...
Release Train
A fixed-cadence delivery model where multiple teams align on a shared schedule to release increments of a product together at regular...
Requirements Gathering
The process of collecting, documenting, and validating the needs and constraints that a product or feature must satisfy.
Responsible AI
Frameworks and practices ensuring AI systems are developed and deployed ethically, fairly, transparently, and with accountability for their...
Retention Rate
The percentage of users or customers who continue to use a product over a defined period, widely considered the single most important...
Retrieval-Augmented Generation (RAG)
An AI architecture pattern that combines large language models with external knowledge retrieval to generate responses grounded in...
Retrospective
A structured team meeting held at the end of a sprint or project to reflect on what went well, what did not, and what to improve next time.
Retrospective (Retro)
A team meeting held at the end of a sprint or project in which participants reflect on what went well, what did not, and what should be...
Revenue Model
The strategy defining what customers pay for and how they pay, including subscription, usage-based, freemium, and marketplace approaches to...
Revenue Per User (ARPU)
Average Revenue Per User is calculated by dividing total revenue by the number of active users or accounts over a given period.
Reverse Trial
A pricing strategy where new users start on the full-featured paid plan for free, then downgrade to a limited free plan when the trial...
Roadmap
A strategic communication artifact that conveys the planned direction and priorities for a product over time, aligning teams around what to...
Rollback
The process of reverting a product release to a previous stable version when a deployment introduces critical bugs or performance issues.
Rule of 40
The Rule of 40 states that a healthy SaaS company's combined revenue growth rate and profit margin should equal or exceed 40%.
S
SAFe (Scaled Agile Framework)
A framework for scaling Agile practices across large enterprises, providing structured coordination for portfolio, program, and team-level...
SLA, SLO, and SLI
A hierarchy of reliability concepts: SLIs measure service behavior, SLOs set internal targets, and SLAs define contractual commitments to...
STAR Method
A structured response format. Situation, Task, Action, Result. Used for behavioral interview answers and resume bullet points in product...
SWOT Analysis
A strategic planning framework that evaluates Strengths, Weaknesses, Opportunities, and Threats for a product or business.
SaaS Magic Number
The SaaS Magic Number measures sales efficiency by comparing new revenue generated to the sales and marketing spend that produced it.
Sales Enablement
How product teams arm sales with content, competitive intelligence, and tools to sell effectively, including battle cards, demos, and...
Scenario Planning
A strategic technique developing plausible future scenarios to stress-test product decisions, helping teams prepare for uncertainty and...
Scope Creep
The gradual, unplanned expansion of a project's scope after work has begun, typically through incremental additions that each seem small...
Scope Management
The practice of defining, controlling, and adjusting what is included in a product initiative to ensure delivery within constraints.
Scrum
An Agile framework structuring work into fixed-length sprints with ceremonies including standups, planning, reviews, and retrospectives for...
Scrum Master
A servant-leader responsible for coaching the Scrum team on Scrum practices, removing impediments, and fostering an environment where the...
Segmentation Analysis
Analyzing product metrics across user segments to uncover behavioral differences, revealing which cohorts retain best and where to invest...
Semantic Search
Semantic search retrieves results based on the meaning and intent behind a query rather than exact keyword matches, typically using vector...
Serverless
A cloud computing model where the cloud provider manages server infrastructure and automatically scales compute resources, charging only...
Service Level Agreement (SLA)
A contractual commitment between a service provider and customer specifying uptime, performance, and support response guarantees.
Serviceable Addressable Market (SAM)
The portion of the total addressable market that a company can realistically reach with its current product, pricing, distribution...
Serviceable Obtainable Market (SOM)
The realistic share of the serviceable addressable market that a company can capture in the near term, typically one to three years, given...
Session Replay
A recording of a user's interactions with a product, capturing clicks, scrolls, mouse movements, and page transitions for qualitative...
Shape Up
A product development methodology created at Basecamp that organizes work into six-week cycles followed by a two-week cooldown.
Spike
A time-boxed research or investigation task in Agile development, used to answer a question or resolve uncertainty before committing to a...
Sprint
A fixed-length iteration, usually one to four weeks, during which a Scrum team commits to completing a set of backlog items and delivering...
Sprint Backlog
The set of product backlog items selected for a sprint plus the team's plan for delivering them and achieving the sprint goal.
Sprint Goal
A short, focused objective that gives the development team a shared purpose for the sprint, guiding decisions about which work to...
Sprint Planning
A Scrum ceremony held at the start of each sprint in which the product manager presents priorities, the team selects backlog items,...
Sprint Retrospective
A recurring Scrum ceremony held at the end of each sprint where the team reflects on their process, identifies improvements, and commits to...
Sprint Review
The ceremony at sprint's end where the team demonstrates completed work to stakeholders, collecting feedback and validating delivery...
Stakeholder Management
The practice of identifying, communicating with, and influencing the people and groups who have an interest in or authority over a...
Stand-up (Daily Scrum)
A brief daily meeting. Typically 15 minutes or less. In which each team member shares what they did yesterday, what they plan to do today,...
Story Mapping
A technique developed by [Jeff Patton](https://www.jpattonassociates.com/) in which user stories are arranged in a two-dimensional map.
Story Points
A unit of measure for estimating the relative effort and complexity of a user story, used in agile planning to forecast team velocity and...
Strategic Planning
The process of defining a product's long-term direction, setting priorities, and aligning resources to achieve specific business outcomes...
Success Metrics
The specific, measurable indicators chosen before a product initiative begins that determine whether the initiative achieved its goals.
Survey
A quantitative research method that collects structured responses from a large number of users through a set of questions, often delivered...
Switching Cost
The effort or expense a customer faces when changing from one product to a competitor, acting as both a retention lever and a competitive...
Synthetic Data
Artificially generated data that mimics real-world data patterns, used to train, test, and validate AI models when authentic data is...
Synthetic Users
AI-generated simulations of user personas that can be interviewed, surveyed, or tested against to supplement real user research, with...
T
T-Shirt Sizing
A quick, relative estimation technique where teams categorize work items as XS, S, M, L, or XL based on effort and complexity, without...
Technical Debt
The accumulated cost of shortcuts and deferred maintenance in a codebase that increases development friction and slows future feature...
Technical Product Manager
A PM with deep engineering fluency who owns platform or developer-facing products, bridging the gap between technical architecture and...
Temperature
A parameter that controls the randomness and creativity of AI model outputs, where lower values produce more deterministic responses and...
Test-Driven Development (TDD)
A practice where engineers write automated tests before the production code, resulting in higher code quality and more confident...
Theme
A high-level strategic grouping of related features, initiatives, or epics that share a common business objective, used to organize a...
Tiger Team
A small, cross-functional group of experts assembled temporarily to solve a specific, urgent problem that falls outside normal team...
Time to Value (TTV)
The time between a user's first product interaction and experiencing core value, a critical onboarding metric that predicts retention and...
Timeboxing
Allocating a fixed time to an activity and stopping when it expires, used in agile ceremonies, design sprints, and spike research to...
Token
A token is the basic unit of text that language models process, typically representing a word, part of a word, or punctuation mark.
Tool Use
Tool use is the capability of an AI model to call external functions, APIs, or services to perform actions and retrieve information beyond...
Total Addressable Market (TAM)
The total revenue opportunity available if a product achieved 100% market share in its target market, representing the theoretical maximum...
Total Contract Value (TCV)
The total revenue value of a customer contract including all recurring fees, one-time charges, and professional services over the full...
Trade-off Analysis
A structured evaluation of the competing benefits and costs of different product options to make informed decisions when no option is...
Tree Testing
A usability method evaluating findability in a product's information architecture by asking users to locate items without visual design...
Triage
The process of rapidly categorizing incoming issues, bugs, and requests by severity and priority to determine what gets addressed first.
Two-Pizza Team
An organizational principle originated at Amazon stating that teams should be small enough to be fed by two pizzas, typically six to eight...
U
Unit Economics
Per-customer revenue and cost math that determines whether a business model is sustainable at scale, typically expressed as the LTV-to-CAC...
Usability Testing
A research method in which representative users attempt to complete realistic tasks with a product or prototype while researchers observe...
Usage-Based Pricing
A pricing model where customers pay based on how much they consume, aligning cost with value delivered and reducing friction for new user...
User Acceptance Testing (UAT)
The final phase of testing where real users or stakeholders verify that a product meets requirements and is ready for production release.
User Flow
A visual diagram showing the sequence of steps a user takes to complete a specific task or achieve a goal within a product.
User Onboarding
The structured process of helping new users learn a product, complete setup, and reach their first moment of value as quickly as possible.
User Research
The systematic study of target users to understand their needs, behaviors, motivations, and pain points through observation and feedback.
User Segmentation
The practice of dividing users into distinct groups based on shared characteristics, behaviors, or needs to enable targeted product...
User Story
A short, informal description of a feature or requirement written from the end user's perspective, typically following the format: As a...
V
Value Delivery
The process of ensuring that the value defined in product strategy actually reaches users through execution, deployment, and adoption.
Value Proposition
A clear statement of the tangible outcomes a customer can expect from using a product and why those outcomes are superior to alternatives.
Value Stream Mapping
A visualization technique that maps the flow of work from idea to delivered customer value, revealing bottlenecks and waste.
Vector Database
A specialized database designed to store, index, and efficiently query high-dimensional vector embeddings, enabling fast similarity search...
Velocity
The average number of story points (or other units of work) a Scrum team completes per sprint, measured over several sprints.
Vibe Coding
Building software prototypes by describing intent in natural language and letting AI generate the code, enabling non-engineers to create...
Voice of Customer (VoC)
A process for capturing customer needs, preferences, and feedback to inform product decisions, using surveys, interviews, support tickets,...
W
Weekly Active Users (WAU)
The count of unique users who engage with a product at least once in a rolling seven-day period, used as a mid-frequency engagement metric...
Weighted Scoring
A prioritization method where features are scored against weighted criteria like impact, effort, and strategic alignment to produce a...
Win/Loss Analysis
A systematic review of why deals were won or lost, using structured interviews with buyers to surface product and GTM insights.
Wireframe
A low-fidelity visual representation of a product's layout and structure, showing the placement of elements without detailed design or...
Wizard of Oz Test
A product discovery technique in which users interact with what appears to be a fully functional product, but behind the scenes a human...
Work in Progress (WIP)
The number of work items actively being worked on at any given time, and the practice of limiting that number to improve flow.
Working Backwards
A product development approach pioneered by Amazon where teams start by writing a press release and FAQ for the finished product before...
Put These Concepts to Work
Knowing the vocabulary is step one. Our guides and interactive tools help you apply these concepts in your day-to-day PM work.