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