👉 In mathematics, a "overpicture" is a set of points that are not in the same coordinate system as the rest of the set. This means that each point in the set is not at the same location relative to every other point in the set. For example, consider the following set of points: ``` A = {1, 2, 3} B = {4, 5, 6} C = {7, 8, 9} D = {