In one aspect, the viewer may watch a program on the currently tuned channel, while browsing through the other channels on {HEAD ~ a portion} of {TAIL ~ the television screen} 
In one aspect , the viewer may watch a program on the currently tuned channel , while browsing through the other channels on { HEAD ~ a portion } of { TAIL ~ the television screen }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL