The paper which containing no acidity or acid producing chemicals that degrade less over time than acidic papers.

This is a standard stock usually used for envelopes, also known as White Wove. The 28# is thicker and heavier than the 24# as well.

A translucent mark or image, which is embossed during the papermaking process, or printed onto paper that is visible when the paper is held up to the light.

A printing procedure whereby slow drying ink is used to paper and, while the ink is still wet, is softly dusted with a resinous powder. Then the paper passes through a heat chamber where the powder melts as well as fuses with the ink to produce a raised surface.

A measurement, which equal the number of dots or lines per inch on a halftone screen.

The system where a color image is classified into different color values (magenta, cyan, black and yellow or CMYK) by the use of filters and screens or digitally with a software program and then transferred to printing plates as well as printed on a printing press, reproducing the original color image.

In a multi-page document, the numbering of individual pages.

Paper that is used in the press set-up process before the printing run actually begins. Or the process of establishing press or bindery equipment to produce a specific product, including setting paper size, image alignment, fold sizes, ink density, etc., In preparation for the actual production run.

A coarse unbleached paper which is used for printing and also for industrial products.

A sheet of film or glass which contain ruled right-angled lines, used to translate the full tone of a photo to the halftone dot image required for printing.