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Selected:Specification by ExampleArchitecture Decision RecordC4 ModelArchitecture Communication Canvas
| Criterion |  Agile Specification by Example |  Architecture Architecture Decision Record |  Architecture C4 Model |  Architecture Architecture Communication Canvas |
|---|---|---|---|---|
Purposedifferent | When business rules need to become precise, it ties language, example, and test together. It sorts work by value, risk, and delivery ability. The result is captured as an Example Table and Acceptance Tests. | An ADR permanently records an architecture decision with context, trade-offs, and consequence. It creates continuity for later changes because the decision path stays traceable. | 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. |
Complexitydifferent | Medium | Low | Low | Medium |
Timedifferent | 60-90 min pro Feature | 15-45 min | 1-4 h | 60-120 min |
Participantsdifferent | 3-6 | 1-3 | 1-5 | 2-8 |
Formatdifferent | Workshop | Async | Workshop + async | Workshop + async |
Outputdifferent | Example Table, Acceptance Tests | ADR File, Decision Log, Rationale | Context Diagram, Container Diagram, Component Diagram | Communication Canvas, Stakeholder Messages, Architecture Communication Plan |
Tagsno overlap | AgileRequirementsExamplesBehavior-Driven Development | ArchitectureRationaleDocumentationGovernance | ArchitectureCommunicationVisualization | ArchitectureCommunicationStakeholdersCanvas |