(1) In the Integrated Language Environment (ILE) model, the object that results from compiling source code. A module cannot be run. To be run, a module must be bound into a program.
(2) A program unit that is discrete and identifiable with respect to compiling, combining with other units, and loading.
(3) In programming languages, a language construct that consists of procedures or data declarations and that interact with other such constructs.
(4) See program unit.
(5) In Java EE programming, a software unit that consists of one or more components of the same container type and one deployment descriptor of that type. Examples include EJB, Web, and application client modules. (Sun)