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[acronym for 'Push Down List']

1. In ITS days, the preferred MITism for stack.

2. Dave Lebling, one of the co-authors of Zork; (his network address on the ITS machines was at one time pdl@dms).

3. 'Program Design Language'. Any of a large class of formal and profoundly useless pseudo-languages in which flowchart forces one to design programs. Management often expects it to be maintained in parallel with the code.

See also flowchart.

4. To design using a program design language.

"I've been pdling so long my eyes won't focus beyond 2 feet."