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| Criterion |  Delivery RAID Log |  UX Research Diary Study |  Architecture C4 Model |  Architecture arc42 |
|---|---|---|---|---|
Purposedifferent | Helps clarify scope, sequence, and delivery flow in concrete terms. It makes work, boundaries, and order steerable. The result is captured as a RAID Log and a source for status reporting. | When experiences build up over days or weeks and a single session cannot capture them, Diary Study records the course of everyday life. Recurring triggers, moods, and habits become visible this way, beyond the sharpness of memory. | 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. | arc42 structures architecture knowledge so teams can document system, decisions, and risks consistently. The template builds a living understanding of the architecture instead of scattered notes. |
Complexitydifferent | Low | Medium | Low | Low |
Timedifferent | 30 min Setup, dann laufend | 1-4 Wochen | 1-4 h | 1-2 Tage |
Participantsdifferent | 1-3 maintaining, briefing for everyone | 5-20 | 1-5 | 1-4 |
Formatdifferent | Async | Async | Workshop + async | Workshop + async |
Outputdifferent | RAID Log, Status Report Source | Diary Entries, Longitudinal Patterns, Experience Timeline | Context Diagram, Container Diagram, Component Diagram | Architecture Document, Context View, Runtime View, Deployment View |
Tagsno overlap | RiskTrackingStakeholdersGovernance | UX researchTrackingBehavior | ArchitectureCommunicationVisualization | ArchitectureDocumentationCommunication |