1. An output produced by an assembler, compiler, linkage editor, or relocatable loader which indicates the (absolute or relocatable) locations of such elements as programs, subroutines, variables, or arrays.

2. By extension, an index of the storage allocation on a magnetic disk or drum.

A representation, usually on a plane surface, of all or part of the surface of the earth, celestial sphere, or other area; shows relative size and position, according to a given projection, of the physical features represented and such other information as may be applicable to the purpose intended.

See <<mapping>>