What is the difference between round brackets and square brackets?

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Tags

1. #round
2. #nearly
3. #parentheses
4. #replaced
5. #these
6. #commas
7. #however
8. #simply
9. #square
10. #cases
11. #brackets
12. #hearing
13. #generally
14. #grammarians
15. #refers
16. #referred