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| Criterion |  Product Discovery Problem Interview |  Architecture C4 Model |  Product Discovery Concierge MVP |  Architecture ARID (Active Reviews for Intermediate Designs) |
|---|---|---|---|---|
Purposedifferent | When the picture of the problem still needs to become solid, it asks about real situations and consequences. It separates genuine suffering from mere interest in a solution. | The C4 Model makes a system legible across several resolution levels, from context down to code. It suits situations where different audiences need to understand the same architecture from different altitudes. | When an idea can first fail or grow through genuine hands-on support, it relies on manual work instead of automation. It shows whether user value holds up even under manual execution. | 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 | Medium | Low | Medium | Medium |
Timedifferent | 30-60 min je Interview | 1-4 h | 1-4 Wochen | 2–4 h review as a planning range; preparation and evaluation additional |
Participantsdifferent | 5-12 Interviews | 1-5 | 3-10 Kunden | Designers, developers as users, and facilitation |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Problem Evidence, Risk Notes, Customer Segments | Context Diagram, Container Diagram, Component Diagram | Concierge Learnings, Service Blueprint, MVP Risks | Prioritized development tasks, Jointly produced code or pseudocode, Observed difficulties and open design questions, Proposed design revisions |
Tagsno overlap | DiscoveryInterviewsValidation | ArchitectureCommunicationVisualization | MVPValidationServiceDiscovery | ArchitectureEngineeringFeedbackValidationTasks |