What are providers in AngularJS?

Related questions

1. Does angular 2 have a digest cycle?
2. What AngularJS digest?
3. What is router outlet in angular?
4. Why angular 2 is single page application?
5. What is the difference between Digest () and apply ()?
6. Why is single page application important?
7. What is Router and why is it used in angular?
8. What is the use of $Watch in AngularJS?
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Tags

1. #methods
2. #allow
3. #create
4. #method
5. #configuration
6. #service
7. #calls
8. #additional
9. #register
10. #instance
11. #providers
12. #provide
13. #would
14. #object
15. #which
16. #injector
17. #angularjs
18. #provider