An article of {HEAD ~ manufacture} directs a system for navigating an electronic network to perform {TAIL ~ the above listed steps} 
An article of { HEAD ~ manufacture } directs a system for navigating an electronic network to perform { TAIL ~ the above listed steps }
OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL