What is the purpose of PDF?

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Tags

1. #format
2. #enable
3. #developed
4. #saved
5. #systems
6. #documents
7. #adobe
8. #digital
9. #document
10. #print
11. #review
12. #acrobat
13. #implies
14. #portable
15. #behind
16. #users
17. #computer
18. #dummies
19. #means
20. #exchange