the organization of a sentence in terms of the role of its elements in distinguishing between old and new information, especially the division of a sentence into theme and rheme.
noun 1. a change in the grammatical function of a word, as in the use of the noun input as a verb or the noun fun as an adjective.
- Functional specification
programming, project A description of what a system (e.g. a piece of software) does or should do (but not how it should do it). The functional specification is one of the inputs to the design process. See IEEE/ANSI Std. 610.12-1990. (1999-04-07)
- Functional splint
functional splint n.
- Functional unit
A subsystem of the central processing unit of a computer. E.g. arithmetic and logic unit, memory address register, barrel shifter, register file. (1995-02-10)