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Selected:Product CanvasAssumption SurfacingArchitecture Decision RecordArchitecture Inception Canvas
| Criterion |  Product Strategy Product Canvas |  Decision Making Assumption Surfacing |  Architecture Architecture Decision Record |  Architecture Architecture Inception Canvas |
|---|---|---|---|---|
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. | Plans often contain assumptions that were never openly stated and remain dangerous precisely because of that. Assumption Surfacing makes these silent premises visible and prioritizes which of them carry the initiative or could sink it. | 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. | The Architecture Inception Canvas bundles the first architecture questions into a compact decision picture. It fits when an initiative is still in motion but still needs clear guardrails. |
Complexitydifferent | Medium | Low | Low | Low |
Timedifferent | 1-2 h | 45-90 min | 15-45 min | 1-2 h |
Participantsdifferent | 2-8 | 2-8 | 1-3 | 3-8 |
Formatdifferent | Workshop + async | Workshop + async | Async | Workshop |
Outputdifferent | Product Canvas, Product Assumptions, Scope Notes | Assumption List, Critical Assumptions, Learning Plan | ADR File, Decision Log, Rationale | Inception Canvas, Risks, Goal List, Open Questions |
Tagsno overlap | CanvasDiscoveryScope | AssumptionsRiskDecisionDiscovery | ArchitectureRationaleDocumentationGovernance | AlignmentArchitectureCanvas |