1. n. `Program Design Language'. Any of a large class of
formal and profoundly useless pseudo-languages in which management forces one to design
programs. Too often, management expects PDL descriptions to be
maintained in parallel with the code, imposing massive overhead
to little or no benefit. See also flowchart. 2. v. To design using a program
design language. "I've been pdling so long my eyes won't focus
beyond 2 feet." 3. n. `Page Description Language'. Refers to any
language which is used to control a graphics device, usually a
laserprinter. The most common example is, of course, Adobe's
PostScript language, but there
are many others, such as Xerox InterPress, etc. 4. In ITS days,
the preferred MITism for stack. See
overflow pdl. 5. Dave
Lebling, one of the co-authors of Zork; (his network address on the ITS machines
was at one time pdl@dms).