Punched card available, e.g. "80-column card". A sequence of cards that is input to or output from some step in an application's processing is called a "card deck" or simply "deck". The rectangular, round, or oval bits of paper punched out were called chad ("chads") or "chips" (in IBM usage). Sequential card columns allocated for a specific use, such as names, addresses, multi-digit numbers, etc., are known as a "field". The first card of a group of cards, containing fixed or indicative information for that group, is known as a "master card". Cards that are not master cards are "detail cards". The
Black Hole (solitaire) Black Hole (solitaire) Black Hole is a solitaire card game that is akin to Golf and Tri Peaks, but its tableau is somewhat like that of La Belle Lucie. Invented by David Parlett, this game's objective is to compress the entire deck into one foundation. The cards are dealt to the tableau in piles of three. The leftover card, dealt first or last, is placed as a single foundation called the Black Hole. This card usually is the Ace of Spades, but any card can do. Only the top cards of each pile in the tableau are available for play