PostScript, the extension language in NeWS, is a high level device 
independant page description language.

=> PostScript is a page description language. 
=> A "de facto" industry standard. (For what that's worth.) 
=> A flexable, high level programming language. 
=> An interactive, interpretive environment. 
=> A high level, device independent imaging model. 
=> It feels like a cross between Lisp and Forth. 
=> It's weird, but it's fun and powerful. 
=> PostScript is a trademark of Adobe Systems Incorporated.