Halftones - how to make gray using tiny dots of black ink
CMYK Process Printing - how to approximate full color using tiny dots of Cyan, Magenta, Yellow, and blacK ink
Linescreens - the linescreen determines how tiny the tiny dots of ink are
Color Separations and Film - what is film? is it like the film in my camera?
Offset Lithography - the printing technology typically used for printing the insert and traycard
Screen Printing - the printing technology typically used for on-disc printing
Gang Run Printing - how grouping several jobs on a single press sheet makes printing affordable