the.com/flatland
A two-dimensional world where you can't even imagine looking up.
means A flat region of terrain, or the famous fictional geometric universe where beings live in only two dimensions.
from Coined by Edwin Abbott Abbott in his 1884 novella Flatland, a satire of Victorian hierarchy disguised as a geometry lesson.
Social satireWomen were lines, nobility were many-sided polygons.
Author's winkPenned under the name A Square.
Math classicStill taught to explain higher dimensions today.