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| Criterion |  Architecture Architecture Decision Record |  Architecture C4 Model |  Knowledge Modeling Teach-back |
|---|---|---|---|
Purposedifferent | 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. | 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. | Teach-back checks whether an explanation actually got through to the other person. The method makes misunderstandings visible early and strengthens shared understanding in advisory and learning situations. |
Complexitysame | Low | Low | Low |
Timedifferent | 15-45 min | 1-4 h | 5-20 min |
Participantsdifferent | 1-3 | 1-5 | 2-8 |
Formatdifferent | Async | Workshop + async | Workshop + async |
Outputdifferent | ADR File, Decision Log, Rationale | Context Diagram, Container Diagram, Component Diagram | Understanding Check, Clarification Notes, Learning Gaps |
Tagsno overlap | ArchitectureRationaleDocumentationGovernance | ArchitectureCommunicationVisualization | LearningUnderstandingCommunication |
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