validation - 1.The evaluation of software at the end of its development, to make sure it meets the requirements of the intended user(s). 2.The process of checking data to make sure it is correct and presented in the proper format. 3.The checking of communications packets by the receiving device.; дс тдрлими цюлютдажкию дроемжки аиакиохдйис лидр http://www.computeruser.com/resources/dictionary/definition.html;