The sight lines thus correspond to the wide static field of {HEAD ~ view} that is provided to {TAIL ~ the user} 
The sight lines thus correspond to the wide static field of { HEAD ~ view } that is provided to { TAIL ~ the user }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL