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| Criterion |  Decision Making Risk Matrix |  Architecture C4 Model |  Architecture Architecture Communication Canvas |  Architecture Architecture Inception Canvas |
|---|---|---|---|---|
Purposedifferent | When a project faces many possible disruptions, it quickly becomes unclear which risks deserve attention first. It separates options, evaluation criteria, and open risks. The result is captured as a Risk Matrix and a Top Risk List. | 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. | The Architecture Communication Canvas plans architecture communication so the right people receive the right message. The method turns technical complexity into deliberate communication design. | The Architecture Inception Canvas bundles the first architecture questions into a compact decision picture. It fits when an initiative is still in motion but still needs clear guardrails. |
Complexitydifferent | Low | Low | Medium | Low |
Timedifferent | 30-60 min | 1-4 h | 60-120 min | 1-2 h |
Participantsdifferent | 3-10 | 1-5 | 2-8 | 3-8 |
Formatdifferent | Workshop + async | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Risk Matrix, Top Risk List | Context Diagram, Container Diagram, Component Diagram | Communication Canvas, Stakeholder Messages, Architecture Communication Plan | Inception Canvas, Risks, Goal List, Open Questions |
Tagsno overlap | RiskDecisionPrioritizationAssessment | ArchitectureCommunicationVisualization | ArchitectureCommunicationStakeholdersCanvas | AlignmentArchitectureCanvas |