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| Criterion |  Product Discovery Working Backwards |  Architecture Request for Comments |  Architecture Architecture Inception Canvas |  Product Strategy Product Vision Board |
|---|---|---|---|---|
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. | 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 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. | When a product needs a shared direction, it connects target audience, benefit, and business picture in a clear vision. It makes the envisioned future legible for the team. |
Complexitydifferent | Medium | Medium | Low | Low |
Timedifferent | 4-8 h, mehrere Iterationen | 1-3 Wochen vom Draft bis zur Entscheidung | 1-2 h | 1-2 h |
Participantsdifferent | 2-6 | 3-20 Reviewer | 3-8 | 2-8 |
Formatdifferent | Workshop + async | Async | Workshop | Workshop + async |
Outputdifferent | Future Press Release, FAQ, Vision Statement | RFC document, Reviewer comments, Decision rationale, Follow-up ADR or tickets | Inception Canvas, Risks, Goal List, Open Questions | Product Vision Board, Vision Statement, Assumptions and Validation Questions |
Tagsno overlap | VisionNarrativeAlignment | ArchitectureDecisionAsyncGovernance | AlignmentArchitectureCanvas | VisionCanvasStrategyAlignment |