Printing terms can be confusing to the layman. Below is a few terms used in the trade and explanations to help you understand the process you are involved in.
CMYK - The colours used in 4 colour process (Cyan, Magenta, Yellow & Black)
300dpi - 300 Dots Per Inch, the best setting for high quality printing, both in offset and digital
Trim Size - The finished size of the print product
Finishing - All processes that follow the sheets being printed (include lamination, binding and drilling)
RGB - Colours shown on most computers and TV's not suited to the printing process (See CMYK)
GSM - Grams per Square Meter (Measure of the Weight of Paper or Cardstock)
Bond - Paper of around 80 - 100gsm mainly used in inkjet and laser printers
Uncoated Paper - No coating, similar to laser stock, absorbs more ink
Coated Paper - Surface coated for a smoother finish, can be gloss or matte
Gloss - Shiny looking stock (paper)
Matte - Flat looking stock (paper)
Satin - Neutral looking stock (paper)
Aqueous - A water based coating applied during the printing process to assist with drying and minimise scuffing
Laminate - Plastic coating bonded to the printed stock (also called celloglaze)
Varnish - Ink or liquid based coating added to stock during