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 {TAIL ~ communication} between {HEAD ~ the server computer} and 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 { TAIL ~ communication } between { HEAD ~ the server computer } and 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 TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH