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| Criterion |  Product Strategy Product Canvas |  Architecture Architecture Communication Canvas |  Architecture Architecture Decision Record |
|---|---|---|---|
Purposedifferent | When product goal and feature scope don't yet fit cleanly together, it creates a shared working picture. It connects need, core features, and assumptions into a solid starting point. | The Architecture Communication Canvas plans architecture communication so the right people receive the right message. The method turns technical complexity into deliberate communication design. | 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 | 1-2 h | 60-120 min | 15-45 min |
Participantsdifferent | 2-8 | 2-8 | 1-3 |
Formatdifferent | Workshop + async | Workshop + async | Async |
Outputdifferent | Product Canvas, Product Assumptions, Scope Notes | Communication Canvas, Stakeholder Messages, Architecture Communication Plan | ADR File, Decision Log, Rationale |
Tagsno overlap | CanvasDiscoveryScope | ArchitectureCommunicationStakeholdersCanvas | ArchitectureRationaleDocumentationGovernance |
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