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| Criterion |  Product Strategy Product Canvas |  Knowledge Modeling Event Modeling |  Architecture arc42 |  Architecture Architecture Decision Record |
|---|---|---|---|---|
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. | Event Modeling connects business workflows with commands, events, and views into one coherent mental model. It helps design behavior, UI, and technical slices from the same underlying logic. | 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 | 1-2 h | 2-6 h | 1-2 Tage | 15-45 min |
Participantsdifferent | 2-8 | 2-8 | 1-4 | 1-3 |
Formatdifferent | Workshop + async | Workshop + async | Workshop + async | Async |
Outputdifferent | Product Canvas, Product Assumptions, Scope Notes | Event Model, UI Flow, Commands, Read Models | Architecture Document, Context View, Runtime View, Deployment View | ADR File, Decision Log, Rationale |
Tagsno overlap | CanvasDiscoveryScope | EventsBlueprintDomain-Driven DesignBehavior | ArchitectureDocumentationCommunication | ArchitectureRationaleDocumentationGovernance |