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| Criterion |  Growth Flywheel |  Growth North Star Metric |  Architecture Architecture Decision Record |
|---|---|---|---|
Purposedifferent | Growth often breaks down where a reinforcing mechanism builds up too much friction. A Flywheel shows the cycle of value, repetition, and reinforcement meant to sustain growth. | When product teams track many metrics, the view of the actual customer outcome easily gets lost. A North Star Metric bundles growth, usage, and value contribution into one signal that makes the system's direction visible. | An ADR permanently records an architecture decision with context, trade-offs, and consequence. It creates continuity for later changes because the decision path stays traceable. |
Complexitydifferent | Medium | Medium | Low |
Timedifferent | 60-120 min | 1-2 h | 15-45 min |
Participantsdifferent | 3-8 | 3-8 | 1-3 |
Formatdifferent | Workshop | Workshop + async | Async |
Outputdifferent | Flywheel Map, Friction Points, Growth Levers, Experiment Backlog | North Star metric, Input metric tree, Measurement cadence | ADR File, Decision Log, Rationale |
Tagsno overlap | GrowthRetentionConversion | GrowthMetricsAlignmentRetention | ArchitectureRationaleDocumentationGovernance |
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