What is a BPMN pool and lane?

Question

Accepted Answer

**Pool** — major participant. **Lane** — role within participant.

**Pool:**
- Represents organization.
- Contains lanes.
- Shows boundaries.

**Lane:**
- Represents role/department.
- Within a pool.
- Shows responsibility.

**Example:**
```
┌─────────────────────────────────────────┐
│ Pool: Company                          │
├─────────────────────────────────────────┤
│ Lane: Sales    │ [Receive] → [Process] │
├────────────────┼─────────────────────────┤
│ Lane: Finance  │         → [Approve]   │
├────────────────┼─────────────────────────┤
│ Lane: Shipping │         → [Ship]       │
└─────────────────────────────────────────┘
```

**Benefits:**
- Clear responsibilities.
- Cross-department visibility.

Business Analyst: What is a BPMN pool and lane?