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Design Glossary M-P

US Printing | Design & File Preparation Glossary M-P |

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Mockup or comp is a piece that is handmade by a graphic artist to show others how the finished printed piece will look. It generally will be folded and bound the exact way the final piece will be done in production.

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In computer graphics, oversampling or anti-alisasing is a software technique for addressing alisasing issue. Anti-aliasing reduces the prominence of jaggies by surrounding the stairsteps with intermediate shades of gray (for gray-scalling devise) or color (for color devices). Please note that although anti-aliasing may reduce the jagged appearance of the lines, it also may make the lines appear fuzzier.

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PDF is abbreviation for portable document format.

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Pixel is short for picture element. Pixel is the smallest unit (point) of an image displayed on a computer screen. The quality of an image, usually expressed as "image resolution", depends on the number of pixels per inch that make up the image.

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Pixels Per Inch (PPI)

Pixels per inch or PPI for short is a measurement of how many pixels can fit into one inch. The higher the number of pixels, the sharper the image will be.

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PhotoShop Document (.PSD)

PhotoShop document or .PSD for short is a file format for documents created and saved in Adobe Photoshop as layered images, which makes editing different parts of an image at a later date far easier. It is the only file format supporting all available image modes (Bitmap, Grayscale, Duotone, Indexed Color, RGB, CMYK, Lab, and Multichannel), guides, alpha channels, spot channels, and layers.

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Portable Document Format (.PDF)

Portable document format or .PDF for short is a universal file format developed by Adobe Systems to preserve all fonts, formatting, graphics, and colors of any source document. PDF allows any file to be read by the Acrobat reader regardless of the hardware or software platform on which the file was created.

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Positive refers to the image created when film has been exposed. The image contains dark and light values as well as color.

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PostScript (.PS)

PostScript or .PS for short is a software language for printing that describes fonts, images and graphics as mathematical expressions that do not require fonts or other dependent files.

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PPI is abbreviation for Pixels Per Inch.

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Preflight is the procedure used by US Printing to make sure that client's digital files are correctly prepared for production.

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Print-Ready Files

Print-Ready files are digital artwork files that are 100% ready to print, requiring no additional adjustments by US Printing other than preflighting and standard prepress work. Before submitting your digital files, you should feel free to review our file preparation guidelines at: /helpcenter/preparingyourfiles/index.html

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Primary Colors

Primary colors are the colorants of a system used to reproduce the colors for the entire reproduction. Cyan, magenta, and yellow are subtractive primary colors while red, green, and blue are additive primary colors. The substractive colors along with black are used in four-color printing process used by US Printing.

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Process Color

Process color is using cyan, magenta, yellow, and black in various combinations to create all other colors.

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Proof, also known as hardcopy proof, is a close representation of the final printed piece provided by US Printing. A proof is provided to predict results on press and record how the final printed piece will appear in terms of color, layout and accuracy. Production does not begin printing the final piece until the proof has been approved by the client.

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PS is abbreviation for PostScript.

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PSD is abbreviation for PhotoShop.

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