Crossword Genius

Figures to be accurate in one area (8)

Ross

I believe the answer is:

district

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'area' is the definition.
(I've seen this before)

I don't understand the remainder of the clue.

Can you help me to learn more?

(Other definitions for district that I've seen before include "Area of a town or city" , "Area (of a town/city)" , "Territorial division" , "Area, region" , "Locality" .)

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