Plane

A plane is a flat, two-dimensional surface that extends infinitely in all directions. Think of it as an endless sheet of paper without edges. In geometry, a plane is used to model flat surfaces such as floors or walls. It has length and width but no thickness. Any three points not on the same line define a plane. In higher mathematics and physics, planes help describe the position and orientation of objects and spaces, serving as fundamental concepts in understanding spatial relationships and designing geometric shapes.