What ova means in anime?

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Tags

1. #japan
2. #going
3. #market
4. #broadcast
5. #beginning
6. #interchangeable
7. #theatrical
8. #release
9. #directly
10. #without
11. #released
12. #video
13. #terms
14. #television
15. #first
16. #through
17. #refer
18. #animation
19. #original