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| Criterion |  Architecture Architecture Decision Record |  Agile Sailboat Retrospective |  Operations Learning Review |
|---|---|---|---|
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 a team wants to read momentum, brakes, and risks together, it offers an easily understandable picture of the situation. It makes drive, obstacles, and headwind visible in the same picture. | After a project phase with mixed results, the method makes learning from the individual case reusable. It connects events, decisions, and systemic conditions into robust insights. |
Complexitydifferent | Low | Low | Medium |
Timedifferent | 15-45 min | 45-90 min | 1-3 h |
Participantsdifferent | 1-3 | 4-12 | 3-10 |
Formatdifferent | Async | Workshop | Workshop |
Outputdifferent | ADR File, Decision Log, Rationale | Sailboat Board, Risks, Improvement Actions | Learning Review Notes, System Factors, Improvement Actions |
Tagsno overlap | ArchitectureRationaleDocumentationGovernance | RetrospectiveTeamImprovement | LearningRetrospectiveIncidentOperations |
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