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Selected:ARID (Active Reviews for Intermediate Designs)Flywheel North Star Metric Goal Question Metric

Criterion	Architecture ARID (Active Reviews for Intermediate Designs)	Growth Flywheel	Growth North Star Metric	Engineering Goal Question Metric
Purposedifferent	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.	Growth often breaks down where a reinforcing mechanism builds up too much friction. A Flywheel shows the cycle of value, repetition, and reinforcement meant to sustain growth.	When product teams track many metrics, the view of the actual customer outcome easily gets lost. A North Star Metric bundles growth, usage, and value contribution into one signal that makes the system's direction visible.	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.
Complexitysame	Medium	Medium	Medium	Medium
Timedifferent	2–4 h review as a planning range; preparation and evaluation additional	60-120 min	1-2 h	90-180 min
Participantsdifferent	Designers, developers as users, and facilitation	3-8	3-8	3-6
Formatdifferent	Workshop + async	Workshop	Workshop + async	Workshop
Outputdifferent	Prioritized development tasks, Jointly produced code or pseudocode, Observed difficulties and open design questions, Proposed design revisions	Flywheel Map, Friction Points, Growth Levers, Experiment Backlog	North Star metric, Input metric tree, Measurement cadence	GQM Table, Metric Profiles
Tagsno overlap	ArchitectureEngineeringFeedbackValidationTasks	GrowthRetentionConversion	GrowthMetricsAlignmentRetention	MetricsMeasurementEngineeringAlignment

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