Git is a tool that makes snapshots, and provides a name for each (its checksum) and a graph that connects those names. It doesn't usually compute differences.

Git is a tool that makes snapshots, and provides a name for each (its checksum) and a graph that connects those names. It doesn't usually compute differences. It doesn't store deltas, although it seems to do so to the newly acquainted user. Git is a highly configurable folder backup program, that allows for sharing that folder with the world.