{
  "slug": "why-the-electricity-meter-enabled-utility-billing",
  "version": 1,
  "layout": "flow",
  "nodes": [
    {
      "id": "n1",
      "type": "wire",
      "label": "Power Line",
      "x": 73,
      "y": 58,
      "w": 162,
      "h": 162,
      "detail": "continuous flow"
    },
    {
      "id": "n2",
      "type": "dial",
      "label": "Meter Dial",
      "x": 290,
      "y": 64,
      "w": 82,
      "h": 82,
      "detail": "cumulative kWh"
    },
    {
      "id": "n3",
      "type": "document",
      "label": "Monthly Bill",
      "x": 290,
      "y": 174,
      "w": 82,
      "h": 82,
      "detail": "metered usage"
    },
    {
      "id": "n4",
      "type": "coin",
      "label": "Payment",
      "x": 290,
      "y": 284,
      "w": 82,
      "h": 82
    }
  ],
  "relationships": [
    {
      "from": "n1",
      "to": "n2",
      "label": "measured by"
    },
    {
      "from": "n2",
      "to": "n3",
      "label": "generates"
    },
    {
      "from": "n3",
      "to": "n4",
      "label": "triggers"
    }
  ],
  "summary": "A meter counts kilowatt-hours consumed; the cumulative reading generates a proportional bill.",
  "mechanism": "consumption-measurement-billing",
  "fig": "FIG. / COUNTING WHAT FLOWED THROUGH THE WIRE",
  "animation": {
    "style": "assemble",
    "duration": 700,
    "stagger": 60
  },
  "presentation": {
    "style": "vignette",
    "hero": "n2",
    "support": [
      "n3",
      "n4"
    ],
    "icon": "meter",
    "label": "Meter",
    "tilt": 0
  },
  "illustration": {
    "concept": "House connects via power line to meter box with spinning usage dial; meter reading converts to bill envelope delivered on right",
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