Two-dimensional space, also known as a plane, is an AREA that has length and width but no depth. It is a flat surface that can be represented by a coordinate system with two axes. Two-dimensional space is used in many areas of mathematics, such as geometry, trigonometry, and calculus. It is also used in physics to describe the motion of objects in two dimensions. In art, two-dimensional space is used to create images on a flat surface, such as a canvas or paper.