| Aspect | Priority | Severity |
|---|---|---|
| Definition | Defines how quickly the bug should be fixed. | Defines how serious the impact of the bug is. |
| Levels | P1 (Highest) to P5 (Lowest) | Blocker, Critical, Major, Minor, Trivial |
| Who Sets It? | Project Manager, Team Lead | Tester or Developer |
| Example | A minor UI issue in a high-profile release = High Priority | A crash causing data loss = Critical Severity |