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| Criterion |  Architecture Architecture Decision Record |  Architecture C4 Model |  Systems Thinking Leverage Points |  Systems Thinking Future Reality Tree |
|---|---|---|---|---|
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. | Leverage Points show exactly where interventions in a system produce a disproportionate effect. It draws relationships, patterns, and feedback loops. The result is captured as a leverage map and action strategy. | A Future Reality Tree shows how desired actions are meant to lead to a better system state. The method checks whether a path of change holds together logically before time flows into implementation. |
Complexitydifferent | Low | Low | High | High |
Timedifferent | 15-45 min | 1-4 h | Half day | 2-4 h |
Participantsdifferent | 1-3 | 1-5 | 3-12 | 3-8 |
Formatdifferent | Async | Workshop + async | Workshop | Workshop |
Outputdifferent | ADR File, Decision Log, Rationale | Context Diagram, Container Diagram, Component Diagram | Leverage Map, Action Strategy | Future Reality Tree, Negative Branches, Assumption List, Improved Injections |
Tagsno overlap | ArchitectureRationaleDocumentationGovernance | ArchitectureCommunicationVisualization | Systems thinkingChangeStrategy | Theory of ConstraintsSystems thinkingChange |