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| Criterion |  UX Research Affinity Diagramming |  Architecture C4 Model |  Delivery Communication Plan |
|---|---|---|---|
Purposedifferent | 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 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 many people need to be informed in parallel and messages would otherwise arrive unevenly or too late, a Communication Plan orders communication reliably. Channels, audiences, and cadences interlock so important information doesn't get lost. |
Complexitysame | Low | Low | Low |
Timedifferent | 45–90 min | 1-4 h | 45-90 min |
Participantsdifferent | 3-10 | 1-5 | 2-6 |
Formatdifferent | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Theme clusters, Insight statements, Opportunity areas | Context Diagram, Container Diagram, Component Diagram | Communication Plan, Channel Matrix, Message Cadence |
Tagsno overlap | SynthesisQualitativeRoot cause | ArchitectureCommunicationVisualization | CommunicationStakeholdersDeliveryPlanning |
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