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| Criterion |  Knowledge Modeling Teach-back |  Knowledge Modeling Feynman Technique |  Architecture Architecture Decision Record |  Architecture C4 Model |
|---|---|---|---|---|
Purposedifferent | 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. | The Feynman Technique checks understanding by explaining a topic so that it stays easy for others to understand. It makes knowledge gaps visible before they become costly in everyday work. | 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. |
Complexitysame | Low | Low | Low | Low |
Timedifferent | 5-20 min | 20-60 min | 15-45 min | 1-4 h |
Participantsdifferent | 2-8 | 1 | 1-3 | 1-5 |
Formatdifferent | Workshop + async | Async | Async | Workshop + async |
Outputdifferent | Understanding Check, Clarification Notes, Learning Gaps | Plain-language Explanation, Knowledge Gaps, Study Notes | ADR File, Decision Log, Rationale | Context Diagram, Container Diagram, Component Diagram |
Tagsno overlap | LearningUnderstandingCommunication | LearningKnowledgeUnderstanding | ArchitectureRationaleDocumentationGovernance | ArchitectureCommunicationVisualization |