What is a concourse in an airport?

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Tags

1. #buildings
2. #where
3. #gates
4. #airplanes
5. #their
6. #provide
7. #leave
8. #passengers
9. #tickets
10. #aircraft
11. #inside
12. #checked
13. #luggage
14. #called
15. #building
16. #terminal
17. #airport
18. #access
19. #concourses
20. #staff
21. #security
22. #usually
23. #through