What is the difference between SDK and library?

Related questions

1. What exactly is an SDK?
2. What is Gcloud command?
3. How do I get to my iCloud photo library?
4. What is meant by API call?
5. Whats the difference between an API and a SDK?
6. What does API limit reached mean?
7. How do I get photos from the cloud?
8. Does Google API cost money?
9. Can things be deleted from the cloud?
10. Is Google Places API free?

Tags

1. #easier
2. #group
3. #often
4. #collection
5. #contains
6. #access
7. #system
8. #software
9. #device
10. #development
11. #toolkit
12. #library
13. #libraries
14. #tools
15. #python
16. #package
17. #making
18. #usually