The Free On-line Dictionary of Computing (30 December 2018):

Interactive CourseWare
ICW

   (ICW) A training program controlled by a computer that relies
   on trainee input to determine the order and pace of
   instruction delivery.  The trainee advances through the
   sequence of instructional events by making decisions and
   selections.  The instruction branches according to the
   trainee's responses.

   ICW is a US military term which includes computer-aided
   instruction and computer-based training.

   (1995-11-08)