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| Criterion |  Product Strategy Product Canvas |  Architecture C4 Model |  Delivery Communication Plan |  Architecture Architecture Inception Canvas |
|---|---|---|---|---|
Purposedifferent | When product goal and feature scope don't yet fit cleanly together, it creates a shared working picture. It connects need, core features, and assumptions into a solid starting point. | 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 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 Architecture Inception Canvas bundles the first architecture questions into a compact decision picture. It fits when an initiative is still in motion but still needs clear guardrails. |
Complexitydifferent | Medium | Low | Low | Low |
Timedifferent | 1-2 h | 1-4 h | 45-90 min | 1-2 h |
Participantsdifferent | 2-8 | 1-5 | 2-6 | 3-8 |
Formatdifferent | Workshop + async | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Product Canvas, Product Assumptions, Scope Notes | Context Diagram, Container Diagram, Component Diagram | Communication Plan, Channel Matrix, Message Cadence | Inception Canvas, Risks, Goal List, Open Questions |
Tagsno overlap | CanvasDiscoveryScope | ArchitectureCommunicationVisualization | CommunicationStakeholdersDeliveryPlanning | AlignmentArchitectureCanvas |