What does $1 mean in bash script?

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Tags

1. #script
2. #initiates
3. #variables
4. #child
5. #command
6. #first
7. #argument
8. #particular
9. #processes
10. #second
11. #passed
12. #forth
13. #commands
14. #export
15. #third
16. #itself
17. #which
18. #arguments