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| Criterion |  Product Discovery Working Backwards |  Decision Making Decision Rights Mapping |  Architecture arc42 |  Architecture Architecture Decision Record |
|---|---|---|---|---|
Purposedifferent | When the target state and benefit need to be clear first, it thinks backward from the desired outcome into the product logic. It sharpens vision, objections, and value proposition before elaboration. | In organizations with many stakeholders, it often blurs who actually decides and who is merely consulted. It separates options, evaluation criteria, and open risks. The result is captured as a Decision Rights matrix and an agreement. | 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. | 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. |
Complexitydifferent | Medium | Medium | Low | Low |
Timedifferent | 4-8 h, mehrere Iterationen | 90-180 min | 1-2 Tage | 15-45 min |
Participantsdifferent | 2-6 | 4-12 | 1-4 | 1-3 |
Formatdifferent | Workshop + async | Workshop | Workshop + async | Async |
Outputdifferent | Future Press Release, FAQ, Vision Statement | Decision Rights Matrix, Agreement | Architecture Document, Context View, Runtime View, Deployment View | ADR File, Decision Log, Rationale |
Tagsno overlap | VisionNarrativeAlignment | DecisionGovernanceAlignmentResponsibility | ArchitectureDocumentationCommunication | ArchitectureRationaleDocumentationGovernance |