The minimum value of the index performance indicator further represents {TAIL ~ the minimum number} of {HEAD ~ grid cells} that overlap with any particular geometric shape 
The minimum value of the index performance indicator further represents { TAIL ~ the minimum number } of { HEAD ~ grid cells } that overlap with any particular geometric shape
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH