Differences between Commit, Commit and Push, Commit and Sync

I'm using visual studio 2013, and I'm faced with 3 options for when I commit my C# code. I need an explanation of the differences between each of the options with regards to what happens to my local repo vs. the GitHub repo.

• Option 1 says Commit
• Option 2 says Commit and Push
• Option 3 says Commit and Sync

I don't quite understand the difference between the last 2 options. When should I use Commit and Sync as opposed to Commit and Push?

1. Commit will simply make record of your changes that you have made on your local machine. It will not mark the change in the remote repository.
2. Commit and Push will do the above and push it to the remote repository. This means that any changes you have made will be saved to the remote repository as well.
3. Commit and Sync does three things. First, it will commit. Second, it will perform a pull (grabs the updated information from the remote repo). Finally, it will push.

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