functional specification

from The Free On-line Dictionary of Computing (8 July 2008)

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)