What is the basic unit of texture?

Point, line and surface. Texture texture refers to the texture structure of the surface of an object, that is, various criss-crossing, uneven, rough and smooth texture changes, which are helpful to express the aesthetic and painting content. Therefore, muscles are composed of points, lines and surfaces. People often regard some of them as basic physical quantities and their units as basic units, forming a supporting unit system from which other units can be derived. This is the unit system.