What are those gcode values? (speed x, y)

Bambu Lab Software Bambu Studio
1

Hi,

I’m comparing two g-code files and I can see a few values that differ between them and I can’t find these parameters in Bambu Studio and nowhere on the web. These are:
; machine_max_speed_x = 500,200
; machine_max_speed_y = 500,200
; machine_max_acceleration_z = 500,200

Specifically the right side values (200) are of interest to me. Where do the come from?

And another one that I found as a difference but can’t pin point the parameter is this:
; filament_cooling_before_tower = 0

Any ideas, please?