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| Criterion |  Knowledge Modeling Knowledge Mapping |  Architecture C4 Model |  Product Discovery Experiment Canvas |  Product Discovery Test Card |
|---|---|---|---|---|
Purposedifferent | Knowledge Mapping makes knowledge, gaps, and transfer paths visible across a field. It fits when expertise should not just exist but also be findable and transferable. | 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 experiments become unreadable after the fact, it arranges hypothesis, signal, and learning goal on a single canvas. It separates problem, assumption, solution, and evidence. The result is captured as a Completed Experiment Canvas and a Success Metric. | The Test Card turns a critical assumption into a testable claim and specifies in advance which result counts as success. |
Complexitydifferent | Medium | Low | Low | Low |
Timedifferent | 1-3 h | 1-4 h | 30-60 min | 20-35 min |
Participantsdifferent | 3-12 | 1-5 | 1-5 | 1-5 |
Formatdifferent | Workshop | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Knowledge Map, Critical Knowledge Areas, Transfer Plan | Context Diagram, Container Diagram, Component Diagram | Completed Experiment Canvas, Success Metric | Test Card with a pre-set threshold |
Tagsno overlap | KnowledgeMappingRisk | ArchitectureCommunicationVisualization | ExperimentsValidationDiscoveryHypothesis | ExperimentsValidationDiscoveryHypothesis |