Too Long; Didn't Read
A branch is an independent line of development. It works as a pointer to your next commits. Whenever a new branch is created, Git creates a new pointer while keeping the original code base untouched. Branch allows each developer to isolate his/her work from others by creating a branch. The HEAD pointer is detached and moves together with each new commit created. The newly created commit `C6` is pointing to `C0` that is now acting like a branch, but it is not.
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