{HEAD ~ This data} for {TAIL ~ display} either may be included in the video data of the child frame video or parent frame video, or may be stored in management data that is independent of the video data and handled with the video data during video transmission or distribution 
{ HEAD ~ This data } for { TAIL ~ display } either may be included in the video data of the child frame video or parent frame video , or may be stored in management data that is independent of the video data and handled with the video data during video transmission or distribution
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 OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH