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| Criterion |  Architecture Architecture Decision Record |  Systems Thinking Stock and Flow Diagram |
|---|---|---|
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. | A Stock and Flow Diagram shows how stocks, inflows, and outflows shape a system over time. It is especially suited when growth, delays, or capacity limits determine the dynamics. |
Complexitydifferent | Low | High |
Timedifferent | 15-45 min | 2-6 h |
Participantsdifferent | 1-3 | 1-6 |
Formatdifferent | Async | Workshop + async |
Outputdifferent | ADR File, Decision Log, Rationale | Stock and Flow Model, Dynamics Notes, Simulation Hypotheses |
Tagsno overlap | ArchitectureRationaleDocumentationGovernance | DynamicsSimulationFeedbackSystems thinking |
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