Those are the disable and enable parking override commands…I haven’t looked into why Motion uses them.
Correct. Machine position and Work position differ by the offsets (WCO). It’s up to the sender to do the math.
Buffer state. Probably only useful for developers and last ditch troubleshooting.
Feed,Speed
Or running, holding, door open, alarm state, sleep, etc…
Work Coordinate Offset
Feed and speed override percentages
On the EEPROM of the controller
Motion resets it for some reason, but it’s apparently stored on your computer somewhere when using Motion.