{HEAD ~ The invention} provides {TAIL ~ 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 
provides
{ HEAD ~ The invention } provides { TAIL ~ 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
HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL 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