The Free On-line Dictionary of Computing (17 December 2009):

control flow
flow of control

    (Or "flow of control") The sequence of execution
   of instructions in a program.  This is determined at run time
   by the input data and by the control structures (e.g. "if"
   statements) used in the program.

   Not to be confused with "flow control".

   (1997-09-14)