PostScript

PostScript is a page-description language developed by Adobe for specifying text, graphics, and page layout. It is also a stack-based programming language whose programs describe how pages should be rendered.

PostScript interpreter: A software or hardware system that executes PostScript instructions and renders their output. Interpreters execute PostScript programs to produce page images.
Adobe Inc.: A software company founded in 1982 by John Warnock and Charles Geschke. Adobe developed and commercialized PostScript.
Desktop publishing: The production of designed documents using personal computers and page-layout software. PostScript connected desktop page layouts to high-quality output devices.
PDF: A fixed-layout document format standardized as ISO 32000. PDF preserves page appearance without requiring the full general-purpose execution model of PostScript.
Page description language: A language that specifies the appearance or layout of a page for rendering or printing. PostScript became a defining example of this class of languages.
PostScript graphics model: The coordinate systems, paths, colors, and state rules used to describe graphics in PostScript. Its graphics state and path operations determine how marks appear on a page.
John Warnock: An American computer scientist who co-founded Adobe and helped create PostScript. Warnock's work on page-description languages led directly to PostScript.
Adobe Illustrator: A vector-graphics editor developed by Adobe. Illustrator used PostScript-based graphics to describe scalable artwork.
Printer Command Language: A family of printer-control languages developed by Hewlett-Packard. PCL offers a competing printer language with a different design and graphics model.
Desktop publishing revolution: The late twentieth-century shift that made professional page design possible on personal computers. PostScript helped connect desktop publishing software to high-quality printers.

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