Githuh?

Trying to get the basic shell of my poke_clone working, not coming along as easy as I expected.  In the process of trying to get it up on git so I can spam r/learnpython questions about my source, I found this little intro tut on how Git actually works as a VCS: Getting-Started-Git-Basics.

ಠ_ಠ

I don't understand Github. 

edit: I sort of understand Github.