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| Criterion |  Knowledge Modeling Event Modeling |  Architecture C4 Model |  UX Research Affinity Diagramming |  Architecture Architecture Communication Canvas |
|---|---|---|---|---|
Purposedifferent | Event Modeling connects business workflows with commands, events, and views into one coherent mental model. It helps design behavior, UI, and technical slices from the same underlying logic. | 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 research notes, feedback, or observations sit unconnected side by side, affinity diagramming sorts the raw material into solid themes. Many individual points turn into patterns that make decisions and opportunities clearer. | The Architecture Communication Canvas plans architecture communication so the right people receive the right message. The method turns technical complexity into deliberate communication design. |
Complexitydifferent | Medium | Low | Low | Medium |
Timedifferent | 2-6 h | 1-4 h | 45–90 min | 60-120 min |
Participantsdifferent | 2-8 | 1-5 | 3-10 | 2-8 |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Event Model, UI Flow, Commands, Read Models | Context Diagram, Container Diagram, Component Diagram | Theme clusters, Insight statements, Opportunity areas | Communication Canvas, Stakeholder Messages, Architecture Communication Plan |
Tagsno overlap | EventsBlueprintDomain-Driven DesignBehavior | ArchitectureCommunicationVisualization | SynthesisQualitativeRoot cause | ArchitectureCommunicationStakeholdersCanvas |