This group of statements defines the choices under the Print_Report item. These ITEM statements specify that For Dept01 and For Dept02 appear in the pull-down menu. The value of the SELECTION= option equates to a subsequent SELECTION statement, which contains the string of commands that are actually submitted. 
      menu deptsprt;
         item 'For Dept01' selection=prt1;
         item 'For Dept02' selection=prt2;
         item 'Other Departments' dialog=prother;