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| Criterion |  Architecture C4 Model |  Architecture Software Architecture Canvas |  Agile 4Ls Retrospective |  Architecture Architecture Communication Canvas |
|---|---|---|---|---|
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 Software Architecture Canvas reduces a system to the most important architecture decisions, constraints, and interfaces. It is useful when teams need a resilient overall picture quickly. | 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. | The Architecture Communication Canvas plans architecture communication so the right people receive the right message. The method turns technical complexity into deliberate communication design. |
Complexitydifferent | Low | Low | Low | Medium |
Timedifferent | 1-4 h | 1-2 h | 45–75 min | 60-120 min |
Participantsdifferent | 1-5 | 3-10 | Team members involved | 2-8 |
Formatdifferent | Workshop + async | Workshop | Workshop | Workshop + async |
Outputdifferent | Context Diagram, Container Diagram, Component Diagram | Architecture Canvas, Goals, Constraints, Quality Attributes | 4Ls Board, Learning Themes, Improvement Actions | Communication Canvas, Stakeholder Messages, Architecture Communication Plan |
Tagsno overlap | ArchitectureCommunicationVisualization | CanvasArchitectureAlignmentWorkshop | RetrospectiveLearningReflectionTeam | ArchitectureCommunicationStakeholdersCanvas |