TEXTURE

TEXTURE: Is the visual and tactile quality of the surfaces due to the material.
TACTILE TEXTURES: Are those that can be percived through the sense of touch.
VISUAL TEXTURES: those which can only be percived through the sense of sight.
NATURAL TEXTURES: Those that can be found in nature.
ARTIFICIAL TEXTURES: Are those created by the human being manually or mechanically.
RUBBING TEXTURES: It consist on frictioning or rubbing a crayon or coloured pencil on a thin paper which is over a surface with a tactile texture so the texture gets copied on the paper.
SCRATCH BOARDING: It is usually done with waxed colours and it consists on giving two coats of colour to the media begin the second one darker. So when scratching over the first layer the second one shows up.