What is SVN commit and update?

Related questions

1. What are tags in SVN?
2. What are branches and tags in SVN?
3. What is a SVN number?
4. How do I find my SVN code?
5. What is the difference between update to head and update to version in SVN?
6. What is an SVN?
7. How do you commit in TortoiseSVN?
8. What is the difference between branch and tag?
9. What does SVN resolve do?
10. What is branching strategy in SVN?

Tags

1. #revision
2. #repository
3. #uploads
4. #server
5. #create
6. #upload
7. #changed
8. #localhost
9. #files
10. #overwrites
11. #update
12. #commit
13. #changes