{HEAD ~ A new reusable software engine implementation} associated with a specified set of capability requirements specified by {TAIL ~ the application developer} 
{ HEAD ~ A new reusable software engine implementation } associated with a specified set of capability requirements specified by { TAIL ~ the application developer }
HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL