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| Criterion |  Product Discovery Opportunity Interview |  Architecture arc42 |  Architecture Software Architecture Canvas |  Architecture C4 Model |
|---|---|---|---|---|
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. | 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. | The Software Architecture Canvas reduces a system to the most important architecture decisions, constraints, and interfaces. It is useful when teams need a resilient overall picture quickly. | 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. |
Complexitydifferent | Medium | Low | Low | Low |
Timedifferent | 30-60 min je Interview | 1-2 Tage | 1-2 h | 1-4 h |
Participantsdifferent | 5-12 Interviews | 1-4 | 3-10 | 1-5 |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Interview Notes, Opportunity Themes, Customer Quotes | Architecture Document, Context View, Runtime View, Deployment View | Architecture Canvas, Goals, Constraints, Quality Attributes | Context Diagram, Container Diagram, Component Diagram |
Tagsno overlap | DiscoveryInterviewsOpportunityCustomer | ArchitectureDocumentationCommunication | CanvasArchitectureAlignmentWorkshop | ArchitectureCommunicationVisualization |