Pair of co-ordinates (4,9)
I believe the answer is:
grid reference
(Other definitions for grid reference that I've seen before include "Map position locator" , "Map location" , "What denotes position on a map" , "Map point identifier" .)
I believe the answer is:
grid reference
(Other definitions for grid reference that I've seen before include "Map position locator" , "Map location" , "What denotes position on a map" , "Map point identifier" .)