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| Criterion |  Architecture C4 Model |  Architecture Architecture Inception Canvas |  Agile 4Ls Retrospective |  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. | 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. | When a sprint should not only be assessed but also learned from, it captures experience in clear learning categories. It records what worked, what's missing, and what should run differently next time. | 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. |
Complexitysame | Low | Low | Low | Low |
Timedifferent | 1-4 h | 1-2 h | 45–75 min | 30-60 min |
Participantsdifferent | 1-5 | 3-8 | Team members involved | 3-12 |
Formatdifferent | Workshop + async | Workshop | Workshop | Workshop |
Outputdifferent | Context Diagram, Container Diagram, Component Diagram | Inception Canvas, Risks, Goal List, Open Questions | 4Ls Board, Learning Themes, Improvement Actions | Start Stop Continue Board, Improvement Actions |
Tagsno overlap | ArchitectureCommunicationVisualization | AlignmentArchitectureCanvas | RetrospectiveLearningReflectionTeam | RetrospectiveImprovementTeamReflection |