This framework is more complex and consists of significant collections of collaborating classes that capture both the small scale patterns and {HEAD ~ major mechanisms} that implement {TAIL ~ the common requirements} and design in a specific application domain 
implement
This framework is more complex and consists of significant collections of collaborating classes that capture both the small scale patterns and { HEAD ~ major mechanisms } that implement { TAIL ~ the common requirements } and design in a specific application domain
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH