Tier of Seats in a Theater, Above the Stalls
This page is the CodyCross answer for the clue below from Photography, Group 2006, Puzzle 4 (Luminance Curves).
Question is: Tier of Seats in a Theater, Above the Stalls
and the answer is: CIRCLE
Word Meaning:
CIRCLE — (geometry) A two-dimensional geometric figure, a line, consisting of the set of all those points in a plane that are equally distant from a given point (center).
Definitions from Wiktionary.