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| Criterion |  Decision Making Argument Mapping |  UX Research Customer Journey Mapping |  Architecture C4 Model |
|---|---|---|---|
Purposedifferent | When statements, evidence, and counterarguments get mixed up, a debate quickly loses its structure. Argument Mapping breaks a thesis down into its reasoning and makes visible what it really rests on. | When a user journey falls apart across many touchpoints, customer journey mapping makes the experience visible as a coherent arc. Phases, emotions, and breaks become legible enough to prioritize critical moments deliberately. | 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 |
Timedifferent | 1-3 h | 2-4 h | 1-4 h |
Participantsdifferent | 1-8 | 4-10 | 1-5 |
Formatdifferent | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Argument Map, Evidence Gaps, Decision Rationale | Journey Map, Pain-point List, Opportunity Backlog | Context Diagram, Container Diagram, Component Diagram |
Tagsno overlap | SensemakingDecisionRationale | JourneyServiceService design | ArchitectureCommunicationVisualization |
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