It is merely illustrative of {HEAD ~ the types} of {TAIL ~ actions} that a user might find useful 
of
It is merely illustrative of { HEAD ~ the types } of { TAIL ~ actions } that a user might find useful
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH