Template:Portal:Texturing/Description
A texture is a 2D image wrapped around a 3D object. The word texture usually refers to the color map, which determines the object's color, but there are other texture maps that control the object's light reflection for example. A different texture can give a completely different look, many game objects use the same mesh but a different texture. Retexturing is a common way to give objects a unique look without changing the 3D model, but even for this changing the Nif file is necessary. The model is associated with a texture in the Nif file.