How does an FQDN identify a host?

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Tags

1. #contains
2. #levels
3. #assigned
4. #qualified
5. #fully
6. #uniquely
7. #specified
8. #unique
9. #guarantees
10. #absolute
11. #including
12. #address
13. #represents
14. #level
15. #identification
16. #domain
17. #internet
18. #refers
19. #presence