Rug coverage measure (4)
I believe the answer is:
area
(Other definitions for area that I've seen before include "The measure of a surface" , "Field -- expanse" , "field of study" , "Field of activity or surface" , "Locality" .)
I believe the answer is:
area
(Other definitions for area that I've seen before include "The measure of a surface" , "Field -- expanse" , "field of study" , "Field of activity or surface" , "Locality" .)