Is Alpha the same as opacity?

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Tags

1. #functionality
2. #opaque
3. #properties
4. #channel
5. #value
6. #transparent
7. #means
8. #opacity
9. #actually
10. #answers
11. #cocoa
12. #uiview
13. #calayer
14. #fully
15. #provide
16. #alpha
17. #about