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| Criterion |  Product Discovery Opportunity Interview |  Product Discovery Problem Interview |  Architecture C4 Model |  Architecture arc42 |
|---|---|---|---|---|
Purposedifferent | When opportunities are still hidden behind signals of need, it structures conversations around needs and obstacles. It looks for patterns that lead to new product opportunities. | 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. | 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. |
Complexitydifferent | Medium | Medium | Low | Low |
Timedifferent | 30-60 min je Interview | 30-60 min je Interview | 1-4 h | 1-2 Tage |
Participantsdifferent | 5-12 Interviews | 5-12 Interviews | 1-5 | 1-4 |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Interview Notes, Opportunity Themes, Customer Quotes | Problem Evidence, Risk Notes, Customer Segments | Context Diagram, Container Diagram, Component Diagram | Architecture Document, Context View, Runtime View, Deployment View |
Tagsno overlap | DiscoveryInterviewsOpportunityCustomer | DiscoveryInterviewsValidation | ArchitectureCommunicationVisualization | ArchitectureDocumentationCommunication |