What do the little numbers on LinkedIn mean?

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Tags

1. #tells
2. #directly
3. #profile
4. #person
5. #connected
6. #someone
7. #without
8. #viewing
9. #right
10. #second
11. #inmail
12. #level
13. #message
14. #connection
15. #direct
16. #means
17. #having
18. #linkedin