Definition: Automated routines that check for the correctness or validity of the data that are input to the system. For example, dates must be entered as mm/dd/yyyy, or the exit date from the program
cannot be earlier than the date of enrollment in the program.
Source: Derived from Wikipedia, http://en.wikipedia.org/wiki/Data_validation;_http://encyclopedia2.thefreedictionary.com/edit%2Broutine
DaSy Framework Component: System Design and Development