"Automatic"

The usage mode.

The usage mode chosen will affect the Window Management behaviour. 35

Sensitivity of screen edge barriers for the mouse pointer.

Some UI actions like revealing the launcher or the applications spread are triggered by pushing the mouse pointer against a screen edge. This key defines how much you have to push in order to trigger the associated action. 2

Minimum push needed to overcome edge barrier

How much you have to push (in grid units)the mouse against an edge barrier when sensibility is 100. 60

Maximum push needed to overcome edge barrier

How much you have to push (in grid units) the mouse against an edge barrier when sensibility is 1. 0

When the greeter was last locked.

If too many unsuccessful login attempts have been made in a row, the greeter locks you out for a while. This unix timestamp indicates when you were locked out, so unity8 knows when to let you back in.