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| Criterion |  Product Strategy Product Canvas |  Architecture Architecture Decision Record |  Decision Making Argument Mapping |  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. | 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 statements, evidence, and counterarguments get mixed up, a debate quickly loses its structure. Argument Mapping breaks a thesis down into its reasoning and makes visible what it really rests on. | 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 | Medium | Low |
Timedifferent | 1-2 h | 15-45 min | 1-3 h | 1-2 h |
Participantsdifferent | 2-8 | 1-3 | 1-8 | 3-8 |
Formatdifferent | Workshop + async | Async | Workshop + async | Workshop |
Outputdifferent | Product Canvas, Product Assumptions, Scope Notes | ADR File, Decision Log, Rationale | Argument Map, Evidence Gaps, Decision Rationale | Inception Canvas, Risks, Goal List, Open Questions |
Tagsno overlap | CanvasDiscoveryScope | ArchitectureRationaleDocumentationGovernance | SensemakingDecisionRationale | AlignmentArchitectureCanvas |