1. Life Drawing: drawing as a means of expression; drawing from direct observation, as in still-life or figure drawing
2. Emotive Drawing: drawing, like painting, as an expressive way to explore and put forth feeling, mood, self, time, and so on; drawing as a sensitive expression of personality
3. Sketching: drawing in order to explain or actively think through a problem; drawing through the act of visualizing; drawing actively and loosely
4. Analytic Drawing: drawing as a way to dissect, understand and represent; drawing from observation
5. Perspective Drawing: drawing as a way to represent volume, space, light, eye-level (horizon), surface planes, and scale
6. Geometric Drawing: drawing as a means to precisely represent all aspects of construction; drawing that shows measured scale, true sides, sections, and a variety of descriptive views.
7. Diagrammatic Drawing: drawing in order to investigate, explore, and document concepts and ideas; drawing as an active design process where ideas evolve due to adjacencies and happenstance
8. Illustration Drawing: drawing in order to document; drawing to clearly state and render intent, style, size, color, character, effect, and so on