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| Criterion |  Architecture C4 Model |  Innovation Brainwriting |  Innovation Brainstorming |  Innovation Round Robin Brainstorming |
|---|---|---|---|---|
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 loud voices or hierarchy distort the idea search, the method creates a quiet entry into joint development. It gives everyone thinking space and gathers contributions without social brakes, making diversity more visible and easier to build on. | When a team faces an open question with many obvious directions, the method first creates breadth instead of premature commitment. It separates idea flow from evaluation and makes lines of thought visible, creating a pool for selection and further development. | With unevenly distributed speaking time, the method brings every person into the contribution one after another. It prevents early voices from setting the direction while still producing a shared idea space. This makes participation plannable and the team's diversity visible. |
Complexitysame | Low | Low | Low | Low |
Timedifferent | 1-4 h | 15-30 min | 30-60 min | 20-45 min |
Participantsdifferent | 1-5 | 3-12 | 4-12 | 4-10 |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop |
Outputdifferent | Context Diagram, Container Diagram, Component Diagram | Idea sheets, Expanded concepts, Prioritized list | Idea pool, Theme clusters, Shortlist | Idea List, Cluster, Shortlist |
Tagsno overlap | ArchitectureCommunicationVisualization | BrainstormingCollaborationInclusionIdeas | BrainstormingIdeationCreativityWorkshopDivergence | BrainstormingIdeationFacilitationInclusionCreativity |