{
  "type": "excalidraw",
  "version": 2,
  "source": "https://excalidraw.com",
  "elements": [
    { "type": "ellipse", "id": "1", "x": 100, "y": 50, "width": 140, "height": 60, "stroke": "black" },
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    { "type": "rectangle", "id": "4", "x": 120, "y": 200, "width": 120, "height": 50, "stroke": "blue" },
    { "type": "text", "id": "5", "x": 130, "y": 215, "text": "Supporting Idea" }
  ]
}

{
  "type": "excalidraw",
  "version": 2,
  "source": "https://excalidraw.com",
  "elements": [
    { "type": "rectangle", "id": "start", "x": 50, "y": 50, "width": 120, "height": 50, "stroke": "black" },
    { "type": "text", "id": "startText", "x": 70, "y": 65, "text": "Start" },
    { "type": "arrow", "id": "arrow1", "x": 110, "y": 100, "points": [[0,0],[0,60]], "stroke": "black" },
    { "type": "diamond", "id": "decision", "x": 50, "y": 160, "width": 120, "height": 60, "stroke": "black" },
    { "type": "text", "id": "decisionText", "x": 70, "y": 180, "text": "Decision?" }
  ]
}

{
  "type": "excalidraw",
  "version": 2,
  "source": "https://excalidraw.com",
  "elements": [
    { "type": "rectangle", "id": "header", "x": 30, "y": 30, "width": 300, "height": 60, "stroke": "black" },
    { "type": "text", "id": "headerText", "x": 50, "y": 50, "text": "Header" },
    { "type": "rectangle", "id": "sidebar", "x": 30, "y": 100, "width": 80, "height": 200, "stroke": "black" },
    { "type": "rectangle", "id": "content", "x": 120, "y": 100, "width": 210, "height": 200, "stroke": "black" },
    { "type": "text", "id": "contentText", "x": 130, "y": 150, "text": "Main Content" }
  ]
}

{
  "type": "excalidraw",
  "version": 2,
  "source": "https://excalidraw.com",
  "elements": [
    { "type": "rectangle", "id": "frontend", "x": 50, "y": 50, "width": 120, "height": 50, "stroke": "green" },
    { "type": "text", "id": "frontendText", "x": 70, "y": 65, "text": "Frontend" },
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    { "type": "rectangle", "id": "backend", "x": 160, "y": 50, "width": 120, "height": 50, "stroke": "blue" },
    { "type": "text", "id": "backendText", "x": 180, "y": 65, "text": "Backend" }
  ]
}