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| Criterion |  Architecture Architecture Decision Record |  Agile Sailboat Retrospective |  Operations Learning Review |  Operations After-Action 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. | After missions or project phases with unclear outcomes, the method makes visible what actually happened and what can be learned from it. It separates course, effect, and causes so experience turns into solid improvement. |
Complexitydifferent | Low | Low | Medium | Low |
Timedifferent | 15-45 min | 45-90 min | 1-3 h | 20-45 min |
Participantsdifferent | 1-3 | 4-12 | 3-10 | 3-12 |
Formatdifferent | Async | Workshop | Workshop | Workshop + async |
Outputdifferent | ADR File, Decision Log, Rationale | Sailboat Board, Risks, Improvement Actions | Learning Review Notes, System Factors, Improvement Actions | Lessons learned, Action items, Event summary |
Tagsno overlap | ArchitectureRationaleDocumentationGovernance | RetrospectiveTeamImprovement | LearningRetrospectiveIncidentOperations | LearningOperationsImprovement |