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| Criterion |  Architecture Architecture Decision Record |  Product Discovery Context Canvas |  Architecture Architecture Communication Canvas |
|---|---|---|---|
Purposedifferent | 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. | When an environment of users, systems, and constraints is hard to grasp, it puts the context compactly on the table. It creates a clear reading of influence, boundary, and dependency. | The Architecture Communication Canvas plans architecture communication so the right people receive the right message. The method turns technical complexity into deliberate communication design. |
Complexitydifferent | Low | Low | Medium |
Timedifferent | 15-45 min | 45-90 min | 60-120 min |
Participantsdifferent | 1-3 | 3-10 | 2-8 |
Formatdifferent | Async | Workshop | Workshop + async |
Outputdifferent | ADR File, Decision Log, Rationale | Context canvas, Open questions, Shared context notes | Communication Canvas, Stakeholder Messages, Architecture Communication Plan |
Tagsno overlap | ArchitectureRationaleDocumentationGovernance | ContextFramingRequirementsCanvas | ArchitectureCommunicationStakeholdersCanvas |
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