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| Criterion |  Architecture C4 Model |  UX Research User Interviews |  Product Discovery Hypothesis Prioritization Canvas |  Architecture Architecture Communication Canvas |
|---|---|---|---|---|
Purposedifferent | 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 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. | When many hypotheses compete for attention, it brings order to their learning sequence and importance. It separates problem, assumption, solution, and evidence. The result is captured as a prioritization canvas and a hypothesis backlog. | The Architecture Communication Canvas plans architecture communication so the right people receive the right message. The method turns technical complexity into deliberate communication design. |
Complexitydifferent | Low | Low | Medium | Medium |
Timedifferent | 1-4 h | 30–60 min per interview | 60-90 min | 60-120 min |
Participantsdifferent | 1-5 | 1 participant per interview | 3-8 | 2-8 |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Context Diagram, Container Diagram, Component Diagram | Interview Notes, Themes, Insight Summary | Prioritization Canvas, Hypothesis Backlog | Communication Canvas, Stakeholder Messages, Architecture Communication Plan |
Tagsno overlap | ArchitectureCommunicationVisualization | QualitativeResearchCustomerDiscovery | ExperimentsPrioritizationDiscoveryHypothesis | ArchitectureCommunicationStakeholdersCanvas |