Is a pull request part of Git?

Related questions

1. What's a pull request?
2. How do I resolve a pull request comment?
3. What is the difference between pull request and merge request?
4. What is a git conflict?
5. Can you delete pull request?
6. How do you push to a pull request?
7. How do I pull git from GitHub?
8. Can you update a pull request?
9. Why is a pull request called a pull request?
10. What is the purpose of a pull request?

Tags

1. #receiving
2. #changes
3. #think
4. #receiver
5. #branch
6. #github
7. #after
8. #request
9. #fetch
10. #implementation
11. #command
12. #another