{HEAD ~ The interface} comprises a first area that shows the subject and contributor name, and {TAIL ~ a second area} that shows the content of the information item 
{ HEAD ~ The interface } comprises a first area that shows the subject and contributor name , and { TAIL ~ a second area } that shows the content of the information item
HEAD HEAD HEAD HEAD HEAD HEAD REL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH