What's the difference between basic economy and main cabin on American Airlines?

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Tags

1. #airlines
2. #upgrade
3. #change
4. #fares
5. #american
6. #eligibility
7. #types
8. #baggage
9. #lowest
10. #seating
11. #economy
12. #boarding
13. #three
14. #order
15. #restrictions
16. #comes
17. #designed
18. #cabin
19. #extra
20. #basic