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