What is facade design pattern in iOS?

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Tags

1. #interface
2. #represents
3. #class
4. #commonly
5. #facade
6. #functionalities
7. #other
8. #classes
9. #provide
10. #structural
11. #patterns
12. #pattern
13. #complexity
14. #implemented
15. #behind
16. #which
17. #simple
18. #logic
19. #related
20. #system