Texture

Texture is the feel or shape of a surface that can be percieved by the eye and in some occations also by tact

Visual texture is used by painters and sculptors who work in the Realist style imitate natural surfaces and textures. The actual texture of a painting or sculpture may not be at all the same as the "visual texture" that the artist is imitating.

Texture can be rough, smooth or bumpy and it describes the surface of an object