{
  "schema_version": 1,
  "chart_type": "cartesian",
  "meta": {
    "title": "Q2 Revenue by Region",
    "quality_profile": "showcase"
  },
  "data": {
    "columns": [
      { "id": "region", "type": "string", "values": ["North America", "Europe", "Asia-Pacific", "Latin America", "Middle East & Africa"] },
      { "id": "q2", "type": "number", "unit": "USD k", "values": [1840, 1420, 990, 410, 260] },
      { "id": "q1", "type": "number", "unit": "USD k", "values": [1650, 1380, 820, 380, 250] }
    ]
  },
  "encoding": {
    "x": { "column": "region", "scale": "band" },
    "y": { "label": "Revenue (USD k)" }
  },
  "series": [
    { "id": "q1", "mark": "bar", "y": "q1", "label": "Q1", "role": "comparison" },
    { "id": "q2", "mark": "bar", "y": "q2", "label": "Q2", "role": "primary" }
  ],
  "cards": [
    { "title": "Takeaway", "items": ["Every region grew quarter over quarter; Asia-Pacific grew fastest at +21%.", "North America still contributes 37% of total revenue."] }
  ]
}