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| Criterion |  Architecture C4 Model |  Architecture arc42 |  Product Discovery Learning Card |  Product Discovery MVP Test Matrix |
|---|---|---|---|---|
Purposedifferent | 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. | The Learning Card connects traceable test results to a reasoned next action while keeping the limits of the insight visible. | When several minimal variants compete to answer the same question, it makes comparing and choosing between them cleaner. It separates problem, assumption, solution, and evidence. The result is captured as a Test Matrix and a Test Plan. |
Complexitydifferent | Low | Low | Low | Medium |
Timedifferent | 1-4 h | 1-2 Tage | 25-40 min | 45-75 min |
Participantsdifferent | 1-5 | 1-4 | 1-5 | 2-8 |
Formatdifferent | Workshop + async | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Context Diagram, Container Diagram, Component Diagram | Architecture Document, Context View, Runtime View, Deployment View | Learning Card with evidence and next action | Test Matrix, Test Plan |
Tagsno overlap | ArchitectureCommunicationVisualization | ArchitectureDocumentationCommunication | ExperimentsValidationDiscoveryLearning | ExperimentsValidationDiscoveryOptions |