A layout quality parameter is determined for each of {HEAD ~ the interface objects} based on {TAIL ~ arrangement} of the layout fields within the interface objects 
based on
A layout quality parameter is determined for each of { HEAD ~ the interface objects } based on { TAIL ~ arrangement } of the layout fields within the interface objects
OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH