{TAIL ~ These variables} include the number of {HEAD ~ tables}, the size of the tables, the source index, i.e., port, MAC address, IP address, etc 
{ TAIL ~ These variables } include the number of { HEAD ~ tables } , the size of the tables , the source index , i.e. , port , MAC address , IP address , etc
TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH