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| Criterion |  UX Research User Interviews |  Knowledge Modeling Event Modeling |  Architecture C4 Model |  Product Discovery Opportunity Interview |
|---|---|---|---|---|
Purposedifferent | When teams derive needs only from assumptions and real motives are missing, user interviews give direct access to behavior and meaning. Conversations from the target group's everyday life make patterns, tensions, and open questions solidly visible. | 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 opportunities are still hidden behind signals of need, it structures conversations around needs and obstacles. It looks for patterns that lead to new product opportunities. |
Complexitydifferent | Low | Medium | Low | Medium |
Timedifferent | 30–60 min per interview | 2-6 h | 1-4 h | 30-60 min je Interview |
Participantsdifferent | 1 participant per interview | 2-8 | 1-5 | 5-12 Interviews |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Interview Notes, Themes, Insight Summary | Event Model, UI Flow, Commands, Read Models | Context Diagram, Container Diagram, Component Diagram | Interview Notes, Opportunity Themes, Customer Quotes |
Tagsno overlap | QualitativeResearchCustomerDiscovery | EventsBlueprintDomain-Driven DesignBehavior | ArchitectureCommunicationVisualization | DiscoveryInterviewsOpportunityCustomer |