The following presents a simplified summary of the invention in {HEAD ~ order} to provide {TAIL ~ a basic understanding} of some aspects of the invention 
to provide
The following presents a simplified summary of the invention in { HEAD ~ order } to provide { TAIL ~ a basic understanding } of some aspects of the invention
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH