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Criterion	Operations Fishbone Diagram	Architecture Architecture Decision Record	Business Strategy Strategy Execution Loop	Operations Failure Mode and Effects Analysis
Purposedifferent	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.	The Strategy Execution Loop helps avoid treating strategy as a one-off document. It makes visible how strategic decisions are turned into objectives, initiatives, operational work, measurement, and learning.	For a process, product, or service with noticeable failure risks, the method assesses possible failure modes in advance. It directs attention to combinations of occurrence, effect, and detectability.
Complexitydifferent	Low	Low	High	High
Timedifferent	30-60 min	15-45 min	Initial 3-6 h, then monthly or quarterly reviews	2-6 h
Participantsdifferent	2-8	1-3	5-12	3-10
Formatdifferent	Workshop	Async	Workshop + async	Workshop
Outputdifferent	Fishbone Diagram, Cause Categories, Investigation Backlog	ADR File, Decision Log, Rationale	Execution Loop, Review Cadence, Strategic Learning Log	FMEA Table, Risk Priority, Mitigation Actions
Tagsno overlap	Root causeQualityOperations	ArchitectureRationaleDocumentationGovernance	ExecutionCadenceLearningGovernance	RiskQualityOperationsRoot cause