C: one of the four process colors used in the CMYK printing process; blue in color

all the activities required to prepare a press for printing

the amount of show-through on a printed sheet.  The thicker the paper, the lesser amount of show-through; the thinner the paper, the more amount of show-through.

transparent cover sheet on artwork often used for instructions

(PMS) Industry standard for ink mixing

quantity

to keep each piece separate or independent

Y: one of the four process colors used in the CMYK printing process; yellow in color