| Stage | Criteria | Example Trigger |
|---|---|---|
| Subscriber | Gave email but no intent | Newsletter signup |
| Lead | Filled a low-intent form | Contact form |
| MQL | Shows buying intent | Demo request OR Lead Score ≥ 50 |
| SQL | Accepted by sales | Booked meeting OR Sales manually changes |
| Opportunity | Pipeline stage | Sales moves Deal to Stage 1 |
| Customer | Closed won | Deal closed |

