TEXTURES

Texture: it is the visual and tactile quality of the surfaces clue to the material.

Tectile textures: are those that you can percived when you touch it.

Visual textures: are those that you percived it when you look it.

Natural textures: those that you can found in the nature.

Artificial textures: those that are created by the human.

Rubbing technique: it consistd on frietioning or rubbing a crayon or colored pencil on a thin paper which is over a surface with a tactile texture gets copied on the paper.

Scratchboarding: it is a technique that consists when you colored a paper of color pencil and then you put on a cap of black crayon  and finally you scratching and you see the oder colors.