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| Criterion |  Delivery Communication Plan |  Architecture C4 Model |  Facilitation Power Interest Grid |  Facilitation Stakeholder Salience Model |
|---|---|---|---|---|
Purposedifferent | When many people need to be informed in parallel and messages would otherwise arrive unevenly or too late, a Communication Plan orders communication reliably. Channels, audiences, and cadences interlock so important information doesn't get lost. | 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 many stakeholders compete for attention at once, the Power Interest Grid sorts them by influence and stake. It turns individual contributions into a visible selection. The result is captured as a Power Interest Grid and a stakeholder-specific strategy. | When stakeholders appear to matter very differently, the Stakeholder Salience Model rates their actual priority through power, legitimacy, and urgency. It turns individual contributions into a visible selection. The result is captured as a Salience diagram and a class-based strategy. |
Complexitydifferent | Low | Low | Low | Medium |
Timedifferent | 45-90 min | 1-4 h | 30-60 min | 60-90 min |
Participantsdifferent | 2-6 | 1-5 | 2-8 | 3-6 |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop |
Outputdifferent | Communication Plan, Channel Matrix, Message Cadence | Context Diagram, Container Diagram, Component Diagram | Power Interest Grid, Strategy per Stakeholder | Salience Diagram, Strategy per Class |
Tagsno overlap | CommunicationStakeholdersDeliveryPlanning | ArchitectureCommunicationVisualization | StakeholdersFacilitationAlignmentPlanning | StakeholdersFacilitationAlignmentGovernance |