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| Criterion |  Architecture C4 Model |  Agile Starfish Retrospective |  Architecture Architecture Communication Canvas |  Agile Start Stop Continue |
|---|---|---|---|---|
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. | When improvement options need to be sorted more finely than just start and stop, it brings observations into clear kinds of action. This makes visible what should be done more, less, newly, or continued. | The Architecture Communication Canvas plans architecture communication so the right people receive the right message. The method turns technical complexity into deliberate communication design. | When a team wants to deliberately adjust its working behavior, it makes habits visible and assessable. It focuses on concrete changes instead of diffuse mood. |
Complexitydifferent | Low | Low | Medium | Low |
Timedifferent | 1-4 h | 45-90 min | 60-120 min | 30-60 min |
Participantsdifferent | 1-5 | 4-12 | 2-8 | 3-12 |
Formatdifferent | Workshop + async | Workshop | Workshop + async | Workshop |
Outputdifferent | Context Diagram, Container Diagram, Component Diagram | Starfish Board, Practice Changes, Experiments | Communication Canvas, Stakeholder Messages, Architecture Communication Plan | Start Stop Continue Board, Improvement Actions |
Tagsno overlap | ArchitectureCommunicationVisualization | RetrospectiveImprovementExperimentsTeam | ArchitectureCommunicationStakeholdersCanvas | RetrospectiveImprovementTeamReflection |