{
  "kind": "exploration_reference",
  "technique": "Free-form with segments",
  "location": "Explore > Blank exploration > Variables > Segments",
  "dimensions": [
    "Event name"
  ],
  "metrics": [
    "Sessions",
    "Engagement rate",
    "Key events"
  ],
  "checkpoints": [
    "Group stated in one sentence",
    "Scope chosen to match the sentence",
    "Condition set and segment named",
    "Segment applied as a comparison",
    "Saved with the exploration"
  ],
  "guide": "segments-build-explorations",
  "title": "Build a segment in Explorations: define a group once, reuse it everywhere",
  "worked_example": {
    "rows": [
      {
        "row": "Purchased within 7 days",
        "sessions": 480,
        "engaged_sessions": 432,
        "key_events": 480,
        "revenue": "0.00"
      },
      {
        "row": "All users",
        "sessions": 4390,
        "engaged_sessions": 2551,
        "key_events": 260,
        "revenue": "5420.50"
      }
    ],
    "totals_recomputed": {
      "sessions": 4870,
      "engaged": 2983,
      "engagement_rate": "61.3",
      "key_events": 740,
      "key_event_rate": "15.2",
      "revenue": "5420.50",
      "revenue_per_session": "1.11"
    }
  },
  "verification": "Figures recomputed in Python 3 with decimal arithmetic, 2026-11-11. No live GA4 run."
}