A block layout generator produces interface objects to be included within an interface of the database, wherein {HEAD ~ each} of the interface objects corresponds to one of {TAIL ~ the block descriptions} and includes a plurality of layout fields 
A block layout generator produces interface objects to be included within an interface of the database , wherein { HEAD ~ each } of the interface objects corresponds to one of { TAIL ~ the block descriptions } and includes a plurality of layout fields
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH