The portable terminal 100 can be used when {HEAD ~ the rectangular touch screen} 102 is oriented in {TAIL ~ a vertically long direction} or is oriented in a horizontally long direction  
is oriented in
The portable terminal 100 can be used when { HEAD ~ the rectangular touch screen } 102 is oriented in { TAIL ~ a vertically long direction } or is oriented in a horizontally long direction
OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH