{HEAD ~ means} for sending {TAIL ~ the purchased software} along with the embedded information in portions to the user computer over the network so that the user computer can reassemble a modified version of the purchased software and the embedded information 
for sending
{ HEAD ~ means } for sending { TAIL ~ the purchased software } along with the embedded information in portions to the user computer over the network so that the user computer can reassemble a modified version of the purchased software and the embedded information
HEAD HEAD HEAD HEAD HEAD REL REL TAIL 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 OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH