Why do system analysts use DFD?

Related questions

1. What is Level 3 DFD?
2. What is DFD in software engineering with example?
3. What is DFD and its levels?
4. What is the difference between DFD and context diagram?
5. What are the symbols used in DFD?
6. What DFD 0?
7. What are the types of data flow diagram?
8. What is a Level 1 DFD?
9. What is a Level 0 DFD?
10. What is level 1 in data flow diagram?

Tags

1. #system
2. #increase
3. #external
4. #analysts
5. #stores
6. #development
7. #software
8. #structural
9. #systems
10. #technique
11. #process
12. #analysis
13. #movement
14. #showing
15. #between
16. #diagram
17. #modelling
18. #within
19. #which
20. #entities
21. #productivity
22. #helps