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
Paper model across a wide range of subjects. The models include very difficult and ambitious paper projects, such as life-sized and complex creations. Architectural paper models are popular with model railway enthusiasts. Various models are used in tabletop gaming, primarily wargaming. Scale paper models allow for easy production of armies and buildings for use in gaming and that can be scaled up or down readily or produced as desired. Whether they be three-dimensional models or two-dimensional icons, players are able to personalize and modify the models to bear unique unit designations and insignias for gaming. Paper model Paper models, also called card