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Selected:Context CanvasArchitecture Communication CanvasLASR (Lightweight Approach for Software Reviews)C4 Model
| Criterion |  Product Discovery Context Canvas |  Architecture Architecture Communication Canvas |  Architecture LASR (Lightweight Approach for Software Reviews) |  Architecture C4 Model |
|---|---|---|---|---|
Purposedifferent | When an environment of users, systems, and constraints is hard to grasp, it puts the context compactly on the table. It creates a clear reading of influence, boundary, and dependency. | The Architecture Communication Canvas plans architecture communication so the right people receive the right message. The method turns technical complexity into deliberate communication design. | LASR helps development teams identify where their software falls short of important quality goals and which improvements to consider. A small group with existing system knowledge can make an initial assessment and investigate open questions in more detail. | 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. |
Complexitydifferent | Low | Medium | Medium | Low |
Timedifferent | 45-90 min | 60-120 min | 3–4 h for initial assessment; preparation and deeper analysis additional | 1-4 h |
Participantsdifferent | 3-10 | 2-8 | 1 or a small team; particularly suitable for 3–4 people | 1-5 |
Formatdifferent | Workshop | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Context canvas, Open questions, Shared context notes | Communication Canvas, Stakeholder Messages, Architecture Communication Plan | Lean Mission Statement describing the software’s purpose, Prioritized quality goals and evaluation criteria, Risks and estimated gaps against quality goals, More closely examined findings and open checks | Context Diagram, Container Diagram, Component Diagram |
Tagsno overlap | ContextFramingRequirementsCanvas | ArchitectureCommunicationStakeholdersCanvas | ArchitectureQualityRiskAssessmentLean | ArchitectureCommunicationVisualization |