Linear perspective refers to using a set of rules that guide a drawing’s lines towards various vanishing points. This converging of lines is what helps an artist achieve the illusion of depth within a drawing. Linear Perspective helps us draw geometric, box-like forms and environments that appear grid-like.

Contour drawing is an artistic technique used in the field of art in which the artist sketches the style of a subject by drawing lines that result in a drawing that is essentially an outline. These contour drawings are done with ink.

A portrait painting or drawing depicts the image of a particular person or animal, or group thereof. The subject of a portrait is usually called a "sitter", because traditionally people would sit in front of the artist to have their portrait painted.

Charcoal is a smooth yet brittle material that has similar properties to chalk pastel. The dark substance comes in different forms—some are hard while others are soft—but overall it offers a quick sketching experience.

Layering slowly builds up watercolor layers, a little at a time, as the artist fully fleshes out their work. Typically, glazing (or layering) adds a new layer once the previous layers and washes have dried. Washes are usually the foundational layers of the painting.

Block, or relief, printing includes linocuts, lino prints, woodblock prints, rubber stamping - pretty much any method where you carve into a material (a block, plate, etc.) and print an impression of the carved surface with ink.

The value in drawing or painting basically means how light or dark something is. We use value to add depth and perspective to a drawing. Graphite is a crystalline form of carbon and is useful as a writing and drawing tool, as only the slightest pressure is needed to leave a mark. It has a greasy texture and is dull metallic grey in color.