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| Criterion |  Decision Making Argument Mapping |  Architecture C4 Model |  Decision Making Assumption Surfacing |  Architecture Architecture Decision Record |
|---|---|---|---|---|
Purposedifferent | 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. | Plans often contain assumptions that were never openly stated and remain dangerous precisely because of that. Assumption Surfacing makes these silent premises visible and prioritizes which of them carry the initiative or could sink it. | 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 | Low | Low | Low |
Timedifferent | 1-3 h | 1-4 h | 45-90 min | 15-45 min |
Participantsdifferent | 1-8 | 1-5 | 2-8 | 1-3 |
Formatdifferent | Workshop + async | Workshop + async | Workshop + async | Async |
Outputdifferent | Argument Map, Evidence Gaps, Decision Rationale | Context Diagram, Container Diagram, Component Diagram | Assumption List, Critical Assumptions, Learning Plan | ADR File, Decision Log, Rationale |
Tagsno overlap | SensemakingDecisionRationale | ArchitectureCommunicationVisualization | AssumptionsRiskDecisionDiscovery | ArchitectureRationaleDocumentationGovernance |