the.com/disparity
The mathematical gap that politely refuses to call itself unfair to your face.
means A noticeable difference or inequality between two or more things being compared.
from From Latin dispar, unequal, via late Latin disparitas, fusing dis- (apart) with par (equal) — literally un-equalness given a respectable noun.
Eye trickIn 3D vision, binocular disparity creates depth perception.
Versus disparateSame root: disparate means fundamentally different, not just unequal.
Policy favoriteReports love it; it measures gaps without assigning blame.