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| Criterion |  UX Design Storyboarding |  Knowledge Modeling IBIS |  Architecture Architecture Decision Record |  Architecture C4 Model |
|---|---|---|---|---|
Purposedifferent | When a usage scenario needs to become understandable early, it condenses situations, context, and flow into a legible sequence. It helps check concept ideas before anything gets built. | IBIS structures thinking about complex questions as a sequence of issues, ideas, and arguments. The method keeps discussions open without forcing them into premature consensus. | 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. | 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 | Medium | Low | Low |
Timedifferent | 30-90 min | 1-3 h | 15-45 min | 1-4 h |
Participantsdifferent | 1-8 | 2-8 | 1-3 | 1-5 |
Formatdifferent | Workshop + async | Workshop + async | Async | Workshop + async |
Outputdifferent | Storyboard, Concept Narrative, Testable Assumptions | Issue Map, Positions, Argument Notes | ADR File, Decision Log, Rationale | Context Diagram, Container Diagram, Component Diagram |
Tagsno overlap | VisualizationConceptsSequencePrototype | RationaleKnowledgeDecision | ArchitectureRationaleDocumentationGovernance | ArchitectureCommunicationVisualization |