What should be in a header?

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Tags

1. #typed
2. #number
3. #language
4. #modern
5. #writer
6. #inserted
7. #below
8. #according
9. #should
10. #first
11. #association
12. #right
13. #include
14. #header
15. #upper
16. #including
17. #corner
18. #where
19. #illustrated
20. #papers
21. #essay