{TAIL ~ The invention} provides {HEAD ~ data} for display on the displayed position of a child frame during picture in picture playback, giving displayable time and the displayed area or displayable area 
{ TAIL ~ The invention } provides { HEAD ~ data } for display on the displayed position of a child frame during picture in picture playback , giving displayable time and the displayed area or displayable area
TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH