{TAIL ~ The display system} may be used to edit, for example, to create or modify, {HEAD ~ the data tables} being graphically represented 
{ TAIL ~ The display system } may be used to edit , for example , to create or modify , { HEAD ~ the data tables } being graphically represented
TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH