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| Criterion |  Product Strategy Product Canvas |  Architecture arc42 |  Product Discovery Riskiest Assumption Test |  Architecture Architecture Communication 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. | arc42 structures architecture knowledge so teams can document system, decisions, and risks consistently. The template builds a living understanding of the architecture instead of scattered notes. | When an idea hinges on one critical unknown, it prioritizes testing that exact piece of uncertainty first. It separates problem, assumption, solution, and evidence. The result is captured as a prioritized list of assumptions, a test plan, and a result report. | 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 | Medium | Low | Medium | Medium |
Timedifferent | 1-2 h | 1-2 Tage | 1-2 Wochen pro Iteration | 60-120 min |
Participantsdifferent | 2-8 | 1-4 | 2-6 | 2-8 |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Product Canvas, Product Assumptions, Scope Notes | Architecture Document, Context View, Runtime View, Deployment View | Prioritized Assumption List, Test Plan, Results Report | Communication Canvas, Stakeholder Messages, Architecture Communication Plan |
Tagsno overlap | CanvasDiscoveryScope | ArchitectureDocumentationCommunication | ExperimentsValidationDiscoveryAssumptions | ArchitectureCommunicationStakeholdersCanvas |