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| Criterion |  Product Discovery Context Canvas |  Operations Fishbone Diagram |  Architecture Architecture Decision Record |
|---|---|---|---|
Purposedifferent | When an environment of users, systems, and constraints is hard to grasp, it puts the context compactly on the table. It creates a clear reading of influence, boundary, and dependency. | When a problem has several possible contributing factors, the method sorts causes by cause areas. It prevents an initial hunch from blocking the view of other plausible drivers. | 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. |
Complexitysame | Low | Low | Low |
Timedifferent | 45-90 min | 30-60 min | 15-45 min |
Participantsdifferent | 3-10 | 2-8 | 1-3 |
Formatdifferent | Workshop | Workshop | Async |
Outputdifferent | Context canvas, Open questions, Shared context notes | Fishbone Diagram, Cause Categories, Investigation Backlog | ADR File, Decision Log, Rationale |
Tagsno overlap | ContextFramingRequirementsCanvas | Root causeQualityOperations | ArchitectureRationaleDocumentationGovernance |
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