Value refers to the lightness or darkness of a color, and is not considered a separate element of art.

The circle is the most basic geometric shape because it has no corners or edges.

Perspective is the technique used to create the illusion of depth in a drawing by making objects appear smaller as they recede into the distance.

Shading is the technique used to create the illusion of light and shadow in a drawing by varying the darkness of the lines or marks.

Hatching is the technique used to create a series of parallel lines to create the illusion of texture or shading.

Crosshatching is the technique used to create a series of intersecting lines to create the illusion of texture or shading.

Stippling is the technique used to create a series of dots to create the illusion of texture or shading.

Value refers to the relative lightness or darkness of a color.

Saturation refers to the purity or intensity of a color.

Hue refers to the dominant wavelength of a color.

Luminance refers to the overall brightness or darkness of a color.

Temperature refers to the relative warmth or coolness of a color.

Composition refers to the relationship between the different elements of art in a drawing.

Mood refers to the overall mood or feeling of a drawing.

Style refers to the artist's personal style or approach to drawing.