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| Criterion |  Decision Making Decision Tree |  Architecture Software Architecture Canvas |  Architecture Architecture Communication Canvas |  Architecture C4 Model |
|---|---|---|---|---|
Purposedifferent | For decisions with follow-on paths and dependencies, a linear comparison is often not enough. A Decision Tree shows how options branch under conditions and which consequences hang on each branch. | 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. | 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 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. |
Complexitydifferent | Medium | Low | Medium | Low |
Timedifferent | 30-90 min | 1-2 h | 60-120 min | 1-4 h |
Participantsdifferent | 1-6 | 3-10 | 2-8 | 1-5 |
Formatdifferent | Workshop + async | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Decision Tree, Option Map, Assumption List | Architecture Canvas, Goals, Constraints, Quality Attributes | Communication Canvas, Stakeholder Messages, Architecture Communication Plan | Context Diagram, Container Diagram, Component Diagram |
Tagsno overlap | DecisionTreeOptions | CanvasArchitectureAlignmentWorkshop | ArchitectureCommunicationStakeholdersCanvas | ArchitectureCommunicationVisualization |