Why is the project life cycle split into phases?

Related questions

1. Which process group has processes from all the ten knowledge areas?
2. How is Pmbok used?
3. What are some project management knowledge areas?
4. What are the key stages in project planning?
5. What is knowledge area?
6. What is project management tools and techniques?

Tags

1. #throughout
2. #project
3. #balance
4. #major
5. #split
6. #facilitate
7. #mirror
8. #cycle
9. #during
10. #phases
11. #making
12. #formal
13. #resources
14. #decision
15. #reasons
16. #deployments
17. #costs