What is window in iOS?

Related questions

1. Which method is called before viewDidLoad?
2. What is application lifecycle in iOS?
3. What is the difference between viewDidLoad and viewWillAppear?
4. What are Xib files in Swift?
5. When loadView is called?
6. What is storyboard reference?
7. What is a UIViewController?
8. What is loadView?
9. What is main storyboard?
10. What is Xib file in Objective C?

Tags

1. #presentation
2. #second
3. #interface
4. #every
5. #connected
6. #present
7. #overall
8. #window
9. #display
10. #based
11. #handles
12. #content
13. #external
14. #displays
15. #create
16. #device