An argument table in which the argument entry is the upper (for an ascending table) or lower (for a descending table) limit of a range of values.

Algorithm means a sequence of steps that describe a method for solving a problem.

A set of instruction for performing a particular task that can be used by any program because the instructions reside in a library that is external to the using program.

A mesure of the relative number of  records in a file that are altered in an updating run.

Records are composed of fields or items such as name, address, age , course code.