What is the use of Web driver in selenium?

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Tags

1. #against
2. #firefox
3. #execute
4. #programming
5. #framework
6. #different
7. #tests
8. #automation
9. #language
10. #scripts
11. #enables
12. #chrome
13. #allows
14. #unlike
15. #webdriver
16. #selenium
17. #creating
18. #possible
19. #browsers