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| Criterion |  Architecture Architecture Decision Record |  Agile Specification by Example |
|---|---|---|
Purposedifferent | 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. | 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. |
Complexitydifferent | Low | Medium |
Timedifferent | 15-45 min | 60-90 min pro Feature |
Participantsdifferent | 1-3 | 3-6 |
Formatdifferent | Async | Workshop |
Outputdifferent | ADR File, Decision Log, Rationale | Example Table, Acceptance Tests |
Tagsno overlap | ArchitectureRationaleDocumentationGovernance | AgileRequirementsExamplesBehavior-Driven Development |
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