{HEAD ~ Peripheral functions} are generated for {TAIL ~ connections} between blocks in the first subset and blocks in a second subset, which are designated for a hardware implementation on the PLD 
are generated for
{ HEAD ~ Peripheral functions } are generated for { TAIL ~ connections } between blocks in the first subset and blocks in a second subset , which are designated for a hardware implementation on the PLD
HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH