FIG 4 illustrates {HEAD ~ a control flow diagram} representing {TAIL ~ the execution} of Maximize Text Displayed software 12 
representing
FIG 4 illustrates { HEAD ~ a control flow diagram } representing { TAIL ~ the execution } of Maximize Text Displayed software 12
OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH