PMI defines ten knowledge areas.
1. **Integration management**: ensuring every element of the project is coordinated
2. **Scope management**: ensuring the project includes all required work
3. **Schedule management**: ensuring the project is completed on time
4. **Cost management**: completing the project within budget
5. **Quality management**: ensuring the project satisfies the requirements and delivers expected value
6. **Resource management**: ensuring the most efficient and effective use of people and resources
7. **Communications management**: ensuring project knowledge is communicated
8. **Risk management**: identifying, analyzing and responding to project risk
9. **Procurement management**: purchasing goods and services
10. **Stakeholder management**: identifying and developing relationships with all people having need-to-know status