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| Criterion |  Architecture Architecture Decision Record |  Product Discovery Learning Card |  Architecture ARID (Active Reviews for Intermediate Designs) |
|---|---|---|---|
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. | The Learning Card connects traceable test results to a reasoned next action while keeping the limits of the insight visible. | ARID examines how well developers can work with a technical design. It focuses on a part of the system that can still be revised, between the architecture overview and the detailed specification. |
Complexitydifferent | Low | Low | Medium |
Timedifferent | 15-45 min | 25-40 min | 2–4 h review as a planning range; preparation and evaluation additional |
Participantsdifferent | 1-3 | 1-5 | Designers, developers as users, and facilitation |
Formatdifferent | Async | Workshop + async | Workshop + async |
Outputdifferent | ADR File, Decision Log, Rationale | Learning Card with evidence and next action | Prioritized development tasks, Jointly produced code or pseudocode, Observed difficulties and open design questions, Proposed design revisions |
Tagsno overlap | ArchitectureRationaleDocumentationGovernance | ExperimentsValidationDiscoveryLearning | ArchitectureEngineeringFeedbackValidationTasks |
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