Object-Oriented Graphic: A graphic created
with geometric elements that are saved in a draw-type or EPS file
OCR: Optical Character Recognition or Reader.
Software used with a scanner that can capture, recognize and
translate printed text into machine readable text.
Opaque: In lithography, to block out areas on
a negative that are not wanted on the printing plate. An ink is
applied to the negative via a pen or fine brush and it dries by
Orientation: The relative direction of a
display or printed page. (Landscape orientation or Portrait
Orphan: One or more ending lines of a
paragraph that is separated from the rest of the paragraph on a
previous page or column.
Outline Mask: A electronic filtering function
that traces a silhouette around an object and extracts it.
Output Resolution: Stated in lines per inch
or lines per millimeter, output resolution reflects the number of
pixels per unit size the plotter can put onto film.
Overprinting: Printing over an area that has
already been printed. Can enhance or intensify a particular
color. The opposite of a knockout.