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| Criterion | ![]() Architecture Architecture Decision Record | ![]() Decision Making Argument Mapping | ![]() Architecture C4 Model | ![]() Decision Making Cynefin Workshop |
|---|---|---|---|---|
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. | When statements, evidence, and counterarguments get mixed up, a debate quickly loses its structure. Argument Mapping breaks a thesis down into its reasoning and makes visible what it really rests on. | 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 problems are unclear, chaotic, or only seemingly familiar, standard recipes fall short. A Cynefin Workshop sorts situations by the nature of their problem and connects them with matching action logic. |
Complexitydifferent | Low | Medium | Low | Medium |
Timedifferent | 15-45 min | 1-3 h | 1-4 h | 60-180 min |
Participantsdifferent | 1-3 | 1-8 | 1-5 | 4-20 |
Formatdifferent | Async | Workshop + async | Workshop + async | Workshop |
Outputdifferent | ADR File, Decision Log, Rationale | Argument Map, Evidence Gaps, Decision Rationale | Context Diagram, Container Diagram, Component Diagram | Cynefin Map, Domain-specific Actions, Sensemaking Notes |
Tagsno overlap | ArchitectureRationaleDocumentationGovernance | SensemakingDecisionRationale | ArchitectureCommunicationVisualization | ComplexitySensemakingDecision |



