FIG 11 is a block diagram that illustrates {TAIL ~ a display} and {HEAD ~ several user interfaces} 
FIG 11 is a block diagram that illustrates { TAIL ~ a display } and { HEAD ~ several user interfaces }
OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD