drawing is any image that consists of distinct straight or curved lines placed against a usually plain background, darkness or hue to represent two or three-dimensional objects.
is the visual perceptual property corresponding in humans to the categories called red, blue, yellow, green and others. Color derives from the spectrum of light interacting in the eye with the spectral sensitivities of the light receptors. Color categories and physical specifications of color.
Shapes have an endless variety of characteristics Shapes are two-dimensional areas with a recognizable boundary. They can be open or closed, angular or round, big or small. They can be free-form or geometric. Shapes can be defined by their color or by the combination of lines that make up their edges.
Texture is the surface of a work of art. It is an element of two-dimensional and three-dimensional designs and is distinguished by its visual appearance
At its most basic, a form is a three-dimensional geometrical figure as opposed to a shape, which is two-dimensional, or flat. The whole of a piece's visible elements and the way those elements are united. Form allows us to mentally capture the work.