What is difference between tag and branch in git?

Related questions

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5. What is a git branch?
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7. What is branch in git?
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Tags

1. #having
2. #changes
3. #difference
4. #branch
5. #pointer
6. #lightweight
7. #particular
8. #certain
9. #points
10. #these
11. #movable
12. #significance
13. #simply
14. #point
15. #commit
16. #frozen
17. #resources
18. #commits
19. #favorite