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| Criterion |  Product Discovery Solution Interview |  Architecture C4 Model |  Architecture Architecture Decision Record |  Innovation Design Sprint |
|---|---|---|---|---|
Purposedifferent | When a solution idea is already on the table, it checks how it is understood and evaluated. It looks for resonance, objections, and missing fit early in the conversation. | 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. | An ADR permanently records an architecture decision with context, trade-offs, and consequence. It creates continuity for later changes because the decision path stays traceable. | When the product question is unclear and time pressure is high, the method takes a team from an open idea to a testable solution. It connects problem understanding, decision, and learning in one compact format, lowering the risk of spending a lot of energy on a mere guess. |
Complexitydifferent | Medium | Low | Low | High |
Timedifferent | 30-60 min je Interview | 1-4 h | 15-45 min | 4-5 Tage |
Participantsdifferent | 5-10 Interviews | 1-5 | 1-3 | 5-8 |
Formatdifferent | Workshop + async | Workshop + async | Async | Workshop |
Outputdifferent | Solution Feedback, Objection List, Validation Notes | Context Diagram, Container Diagram, Component Diagram | ADR File, Decision Log, Rationale | Prototype, Test Findings, Decision Rationale |
Tagsno overlap | ValidationInterviewsPrototype | ArchitectureCommunicationVisualization | ArchitectureRationaleDocumentationGovernance | Design sprintPrototypeValidationInnovation |