{HEAD ~ One end} of {TAIL ~ a write word line} is connected to a decoder/driver unit 
of
{ HEAD ~ One end } of { TAIL ~ a write word line } is connected to a decoder / driver unit
HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH