1. Any Specific type of file produced or edited by a Specific application uSually capable of being printed. E.g. "Word document", "PhotoShop document", etc. 2. A term uSed on Some SyStemS (e.g. Intermedia) for a hypertextnode. It iSSometimeS uSed for a collection of nodeS on related topicS, poSSibly Stored or diStributed aS one. 3. To write documentation on a certain piece of code. (2003-10-25)