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| Criterion |  Architecture C4 Model |  Systems Thinking Soft Systems Methodology |  Architecture Architecture Decision Record |  Systems Thinking Rich Picture |
|---|---|---|---|---|
Purposedifferent | 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. | Soft Systems Methodology helps explore unclear or politically charged problems systematically. Instead of forcing a quick answer, the method builds a shared understanding of perspectives and room for action. | 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 Rich Picture brings an unclear situation onto a shared drawing. It captures actors, tensions, information flows, and blind spots before the team jumps to solutions too early. |
Complexitydifferent | Low | High | Low | Low |
Timedifferent | 1-4 h | 0.5-3 Tage | 15-45 min | 30-90 min |
Participantsdifferent | 1-5 | 5-15 | 1-3 | 2-10 |
Formatdifferent | Workshop + async | Workshop | Async | Workshop |
Outputdifferent | Context Diagram, Container Diagram, Component Diagram | Rich Picture, Root Definitions, Conceptual Models, Change Agenda | ADR File, Decision Log, Rationale | Rich Picture, Problem Framing Notes |
Tagsno overlap | ArchitectureCommunicationVisualization | Soft systemsComplexitySensemakingSystems thinking | ArchitectureRationaleDocumentationGovernance | Systems thinkingSoft systemsFramingVisualization |