The network 16 may also be a local area network, wide area network, wireless network, voice network, or any other type of conventional network capable of providing {HEAD ~ communication} between the server computer and {TAIL ~ the user computers} 
The network 16 may also be a local area network , wide area network , wireless network , voice network , or any other type of conventional network capable of providing { HEAD ~ communication } between the server computer and { TAIL ~ the user computers }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL