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| Criterion |  Architecture C4 Model |  Product Discovery Outcome-Driven Innovation |  Decision Making DACI |  Decision Making Decision Rights Mapping |
|---|---|---|---|---|
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. | Outcome-Driven Innovation clarifies customer problems, solution opportunities, and evidence. It separates jobs, desired outcomes, importance, satisfaction, and opportunity, and captures results as desired outcome statements, an opportunity landscape, and segments by underserved needs. | In cross-functional decisions, responsibilities quickly blur between approval, influence, and execution. DACI arranges these roles so decision pressure, contribution, and information stay cleanly separated. | In organizations with many stakeholders, it often blurs who actually decides and who is merely consulted. It separates options, evaluation criteria, and open risks. The result is captured as a Decision Rights matrix and an agreement. |
Complexitydifferent | Low | High | Low | Medium |
Timedifferent | 1-4 h | Mehrere Wochen | 30-60 min | 90-180 min |
Participantsdifferent | 1-5 | 2-6 researchers plus sample | 2-10 | 4-12 |
Formatdifferent | Workshop + async | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Context Diagram, Container Diagram, Component Diagram | Desired outcome statements, Opportunity landscape, Segmentation by underserved needs, Innovation hypotheses | DACI Matrix, Decision Owner, Decision Log | Decision Rights Matrix, Agreement |
Tagsno overlap | ArchitectureCommunicationVisualization | OutcomesInnovationResearchQuantitative | DecisionRolesGovernanceAlignment | DecisionGovernanceAlignmentResponsibility |