Laid finish
A pattern of parallel lines running across the grain, creating a ribbed and handmade effect
Line copy
High contrast copy made up of solids or lines which do not require a halftone screen;
also called line art or line work
Lines per inch (LPI)
The number of lines of dots per inch in a halftone screen;
the higher the LPI., the sharper the image
Lithography
A method of printing where plates are chemically treated so that the image area accepts ink and non-image areas repel ink.