What is gherkin in testing?

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Tags

1. #domain
2. #application
3. #called
4. #behavior
5. #tests
6. #gherkin
7. #purposes
8. #project
9. #automated
10. #behat
11. #language
12. #serves
13. #descriptions
14. #created
15. #readable
16. #especially
17. #serving
18. #business
19. #special
20. #documentation
21. #described
22. #specific