---
title: Product Frameworks Rule Categories
version: 2.0.0
---

# Rule Categories

## 1. Business & Market (business, market) -- HIGH -- 4 rules

Financial analysis and market intelligence frameworks for investment decisions.

- `business-roi.md` -- ROI, NPV, IRR, payback period calculations with Python examples
- `business-cost-benefit.md` -- TCO analysis, build vs buy comparison, sensitivity analysis, business case template
- `market-tam-sam-som.md` -- TAM/SAM/SOM market sizing with top-down and bottom-up methods
- `market-competitive.md` -- Porter's Five Forces, SWOT analysis, TOWS matrix, competitive positioning maps

## 2. Strategy & Prioritization (strategy, prioritize) -- HIGH -- 5 rules

Strategic decision frameworks and quantitative prioritization methods.

- `strategy-value-prop.md` -- Value Proposition Canvas, JTBD framework, customer profile, fit assessment
- `strategy-go-no-go.md` -- Stage gate criteria, weighted scoring, decision thresholds, build/buy/partner matrix
- `prioritize-rice.md` -- RICE scoring (Reach, Impact, Confidence, Effort), ICE framework, Kano model
- `prioritize-wsjf.md` -- WSJF cost of delay, time criticality, MoSCoW method, framework selection
- `prioritize-opportunity-cost.md` -- Opportunity cost matrix, cost of delay analysis, trade-off flagging, feature sequencing

## 3. Metrics & OKRs (metrics) -- HIGH -- 5 rules

Goal-setting and measurement frameworks for metrics-driven teams.

- `metrics-okr.md` -- OKR structure, writing objectives and key results, quarterly examples
- `metrics-kpi-trees.md` -- Revenue and product health KPI trees, North Star metric, input metrics
- `metrics-leading-lagging.md` -- Leading vs lagging indicators, the leading-lagging chain, balanced dashboards
- `metrics-instrumentation.md` -- Metric definition template, data sources, segments, alerting thresholds
- `metrics-experiment-design.md` -- Experiment design template, guardrail metrics, North Star input/output framework, staged rollout

## 4. Research & Requirements (research) -- HIGH -- 4 rules

User research methods and requirements documentation patterns.

- `research-personas.md` -- User persona template, empathy maps, persona examples, maintenance schedule
- `research-journey-mapping.md` -- Customer journey maps, service blueprints, experience curves
- `research-user-interviews.md` -- Interview guides, usability testing, surveys, card sorting, research repository
- `research-requirements-prd.md` -- PRD template, user stories, acceptance criteria, INVEST, definition of ready/done
