A display control unit controls {TAIL ~ display} of {HEAD ~ the data} processed by data processing unit on a display terminal 
A display control unit controls { TAIL ~ display } of { HEAD ~ the data } processed by data processing unit on a display terminal
OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH