| G0 | Rapid move, Linear |
| G1 | Feed move, Linear |
| G2 | Arc or circle, CW |
| G3 | Arc or circle, CCW |
| G4 | Dwell, (P) in MilliSeconds or (S) in Seconds |
| G17-G19 | Workspace Planes |
| G20 | Inch Units |
| G21 | mm units |
| G28.2 | Homing an axis to saved stops |
| G28.2 A | Reset Homing using endstops i.e G28.8 A X Y Z will home the machine, G28.8 A Z will home Z axis only. |
| G37 | Single Z-Probe. Tool must be positioned above the probe, which is set by WCS (work coordinate system) G59.9 X0 Y0 position |
| G54 - G59.9 | Workspace Coordinates |
| G90 | Absolute Positioning |
| G91 | Relative Positioning |