{HEAD ~ The invention} relates to display systems and, more particularly, to {TAIL ~ interactive displays} for the presentation and manipulation of data 
relates to
{ HEAD ~ The invention } relates to display systems and , more particularly , to { TAIL ~ interactive displays } for the presentation and manipulation of data
HEAD HEAD HEAD HEAD HEAD HEAD REL OTH OTH OTH OTH OTH OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH