What is Cocoa framework?

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Tags

1. #operating
2. #software
3. #layer
4. #generation
5. #apple
6. #building
7. #system
8. #iphone
9. #provides
10. #abstraction
11. #touch
12. #framework
13. #watch
14. #programs
15. #cocoa
16. #watchos
17. #fourth