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Selected:Architecture Decision Record arc42 Goal Question Metric ARID (Active Reviews for Intermediate Designs)

Criterion	Architecture Architecture Decision Record	Architecture arc42	Engineering Goal Question Metric	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.	arc42 structures architecture knowledge so teams can document system, decisions, and risks consistently. The template builds a living understanding of the architecture instead of scattered notes.	Helps clarify technical problems, hypotheses, and next steps in concrete terms. It breaks a technical problem into testable parts. The result is captured as a GQM table and metric briefs.	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	Medium
Timedifferent	15-45 min	1-2 Tage	90-180 min	2–4 h review as a planning range; preparation and evaluation additional
Participantsdifferent	1-3	1-4	3-6	Designers, developers as users, and facilitation
Formatdifferent	Async	Workshop + async	Workshop	Workshop + async
Outputdifferent	ADR File, Decision Log, Rationale	Architecture Document, Context View, Runtime View, Deployment View	GQM Table, Metric Profiles	Prioritized development tasks, Jointly produced code or pseudocode, Observed difficulties and open design questions, Proposed design revisions
Tagsno overlap	ArchitectureRationaleDocumentationGovernance	ArchitectureDocumentationCommunication	MetricsMeasurementEngineeringAlignment	ArchitectureEngineeringFeedbackValidationTasks

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