Now I Git it

I've been playing around with git for a short while now and now I think I've finally got it, or rather the point of it. Ignore those places that discuss it as you commit to your local repository and then commit that the the main repository etc. No it's about letting everyone have a complete copy - in fact you don't even need a central repository to get the benefit of version control - it sits there in a folder on your own PC.
Anyway so here's some sourcves which may help: