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| Criterion |  Architecture C4 Model |  Innovation Brainwriting |  Architecture Architecture Decision Record |
|---|---|---|---|
Purposedifferent | The C4 Model makes a system legible across several resolution levels, from context down to code. It suits situations where different audiences need to understand the same architecture from different altitudes. | When loud voices or hierarchy distort the idea search, the method creates a quiet entry into joint development. It gives everyone thinking space and gathers contributions without social brakes, making diversity more visible and easier to build on. | 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. |
Complexitysame | Low | Low | Low |
Timedifferent | 1-4 h | 15-30 min | 15-45 min |
Participantsdifferent | 1-5 | 3-12 | 1-3 |
Formatdifferent | Workshop + async | Workshop + async | Async |
Outputdifferent | Context Diagram, Container Diagram, Component Diagram | Idea sheets, Expanded concepts, Prioritized list | ADR File, Decision Log, Rationale |
Tagsno overlap | ArchitectureCommunicationVisualization | BrainstormingCollaborationInclusionIdeas | ArchitectureRationaleDocumentationGovernance |
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