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Choose a diagram for the question

Compare diagram types by what they explain: decisions, responsibility, system structure, relationships or time.

Processes, people and plans

Use a flowchart for decisions, a swimlane for responsibility, an org chart for reporting lines and a timeline or Gantt chart for time. A process map starts with inputs and deliverables.

Systems and information

An architecture diagram explains components and boundaries. A sequence diagram follows message order. Data flow diagrams follow information; ER diagrams describe stored relationships.

Start from your material

Images need interpretation of visible structure. Documents need a selected scope and source review. Sign in for document inputs and source imports; account file limits apply.

Editable source files

Supported Mermaid, draw.io and Excalidraw inputs carry structure that a screenshot cannot provide. Check imported elements and connections, especially tool-specific features. Use the attachment control in a conversation to submit a source file; any unsupported file or unavailable upload is reported before it is attached.