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Glossary of terms used on this site

There are 619 entries in this glossary.
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P

Term Definition
Pad printing
An indirect gravure process in which a flexible (often semi-spherical) pad of silicon rubber is used as a medium for transferring the ink from the plate to the surface to be printed. This method can be used to print a great diversity of irregularly shaped objects
Page assembly
The positioning of the finished pages on the imposition sheet as determined using imposition software.
Page description language
A code or programming language used to specify all elements of the layout of a printed page including fonts, graphic elements and images, in such a way that an interpreter can carry out the necessary printer and control commands in an output device.
Page view (page impression, page request
The number of times a Web page is requested from a server. This is the preferred counting method for traffic measurement (instead of hits) because it only counts documents, not individual files. A single HTML page is counted as one page impression.
Pagination
The assigning of numbers to the pages in a document; the division of a document into pages
Pantone colors
Colors based on a system used worldwide that the Pantone print shop (New Jersey) introduced for the graphic arts industry in 1963. The system is based on 512 reference color tones which are mixed from eight basic colors, black and white and are printed on coated and uncoated paper. Today, there are over 1,100 Pantone colors available on a broad range of papers. Pantone has also published color systems for textiles, plastics, paints, film and video.
Paperboard (cover paper)
A paper product with a grammage that is higher than paper, but lower than cardboard. A distinction is made between single-layer and multilayer board. In the U.S., paperboard is often called “cover paper”.
Papyrus
A durable writing material in roll, sheet or book form made from a giant sedge, Cyperus papyrus. To produce papyrus, the pith of the plant is sliced into strips that are laid out in a row with the edges slightly overlapping. Another row is then laid crosswire on top of the first. Next, the two layers are moistened with water and pounded into a sheet of writing material, smoothed and then dried. Papyrus was used as a writing material by the Egyptians since the beginning of the third century B.C. Beginning in the second century A.D. It was produced in Egypt in large quantities and transported throughout the ancient world. In time papyrus was replaced by parchment, which was in turn was replaced by paper.
Paragraph format
Layout instruction and print command that determines text alignment, margin width and spacing.
Parallel center fold
A folding technique in which the product is creased in the middle in order to halve the respective length in every pocket of the buckle folder. The page is folded in half and then folded in half again in the same direction
Parallel cut
A cut performed by setting the saddle (material stop) parallel to the cutting line.
PARC (Palo Alto Research Center)
Organization established in 1970 by the Xerox Corporation that has had a decisive influence on the development of computer technology through the present. Among other achievements, the research institute developed the graphic user interface used on Macintosh and Windows computers, the first commercially available computer mouse, Ethernet network technology, client server architecture, object-oriented programming and the laser printer.
Parchment
Specially treated animal skin for writing or printing.
PCL (printer command language)
The language used to control computer printers. Introduced in the 1980s by computer manufacturers Hewlett-Packard and under constant development ever since, PCL allows application programs to control the functions of different printers in a standardized, efficient manner.
PDF (portable document format)
Data format developed by Adobe Systems Inc. and used for exchanging and processing electronically stored, formatted documents with text and images, independent of hardware or software. One of the special features of the format is that texts and graphics are stored in vector form, meaning that the resolution of their representation is dependently solely on the output device (monitor, printer
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Glossary 2.5 is technology by Black Sheep Research
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