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| Criterion |  Product Discovery Opportunity Interview |  Architecture C4 Model |  Product Discovery Problem Interview |  Architecture Architecture Communication Canvas |
|---|---|---|---|---|
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. | 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 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 Architecture Communication Canvas plans architecture communication so the right people receive the right message. The method turns technical complexity into deliberate communication design. |
Complexitydifferent | Medium | Low | Medium | Medium |
Timedifferent | 30-60 min je Interview | 1-4 h | 30-60 min je Interview | 60-120 min |
Participantsdifferent | 5-12 Interviews | 1-5 | 5-12 Interviews | 2-8 |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Interview Notes, Opportunity Themes, Customer Quotes | Context Diagram, Container Diagram, Component Diagram | Problem Evidence, Risk Notes, Customer Segments | Communication Canvas, Stakeholder Messages, Architecture Communication Plan |
Tagsno overlap | DiscoveryInterviewsOpportunityCustomer | ArchitectureCommunicationVisualization | DiscoveryInterviewsValidation | ArchitectureCommunicationStakeholdersCanvas |