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| Criterion |  UX Research Customer Journey Mapping |  Operations RACI Matrix |  Architecture C4 Model |
|---|---|---|---|
Purposedifferent | 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. | With unclear responsibilities across several roles or areas, the method creates unambiguous accountability logic. It reduces friction because decision, execution, contribution, and information become separately visible. | 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 | Low | Low |
Timedifferent | 2-4 h | 45-90 min | 1-4 h |
Participantsdifferent | 4-10 | 2-8 | 1-5 |
Formatdifferent | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Journey Map, Pain-point List, Opportunity Backlog | RACI Matrix, Responsibility Map, Decision Notes | Context Diagram, Container Diagram, Component Diagram |
Tagsno overlap | JourneyServiceService design | RolesResponsibilityGovernanceOperations | ArchitectureCommunicationVisualization |
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