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| Criterion |  Product Discovery Context Canvas |  Decision Making Argument Mapping |  Architecture Request for Comments |  Architecture Architecture Communication Canvas |
|---|---|---|---|---|
Purposedifferent | 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. | 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. | An RFC clarifies architecture context, options, and consequences. It structures technical context, alternatives, tradeoffs, open questions, and review feedback, and captures the result as an RFC document, reviewer comments, and a decision rationale. | 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 | Medium | Medium | Medium |
Timedifferent | 45-90 min | 1-3 h | 1-3 Wochen vom Draft bis zur Entscheidung | 60-120 min |
Participantsdifferent | 3-10 | 1-8 | 3-20 Reviewer | 2-8 |
Formatdifferent | Workshop | Workshop + async | Async | Workshop + async |
Outputdifferent | Context canvas, Open questions, Shared context notes | Argument Map, Evidence Gaps, Decision Rationale | RFC document, Reviewer comments, Decision rationale, Follow-up ADR or tickets | Communication Canvas, Stakeholder Messages, Architecture Communication Plan |
Tagsno overlap | ContextFramingRequirementsCanvas | SensemakingDecisionRationale | ArchitectureDecisionAsyncGovernance | ArchitectureCommunicationStakeholdersCanvas |