Additionally, {HEAD ~ a handle} or pointer to {TAIL ~ the instantiated class} is preferably placed into the array 
to
Additionally , { HEAD ~ a handle } or pointer to { TAIL ~ the instantiated class } is preferably placed into the array
OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH