A user interacts with {TAIL ~ Client} 124 via {HEAD ~ Controller} 128, for instance, to select different hyperlinked Web pages 
A user interacts with { TAIL ~ Client } 124 via { HEAD ~ Controller } 128 , for instance , to select different hyperlinked Web pages
OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH