This is the full read-only archive of the "Ask the Wordwizard" section of the original Wordwizard site. The responses to the questions originate from Jonathon Green, the compiler of the Cassell Dictionary of Slang and numerous other dictionaries.
why are business presentations commonly referred to as "decks"?
Submitted by jeff menche (mamaroneck - U.S.A.)
Signature: Topic imported and archived
Perhaps its an extended use of 'deck' meaning a pack of cards.
Signature: Jonathon Green