An information processing apparatus serves as {HEAD ~ a host unit} for communicating to {TAIL ~ a plurality} of printing apparatuses via a network 
for communicating to
An information processing apparatus serves as { HEAD ~ a host unit } for communicating to { TAIL ~ a plurality } of printing apparatuses via a network
OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH