The G83 G-code command used in CNC machining

G83: This is the standard G-code for initiating the peck drilling cycle.
X, Y, Z: Coordinates for the hole location where drilling will occur.
R: The retract level or distance the drill bit will retract above the hole bottom after each peck.
Z: The depth of the hole (how deep the drill will go).
F: The feed rate (how fast the drill will penetrate the material).