Drawing as an academic subject might explore the nature and capabilities of various drawing media. Professionals who might regularly use the skills and knowledge acquired in these courses include visual artists, architects, engineers and industrial designers.

The PhD is a doctoral degree, specifically called a "doctor of philosophy" degree. This is misleading because PhD holders are not necessarily philosophers (unless they earned their degree in philosophy!). That said, PhD recipients are able to engage in thought experiments, reason about problems, and solve problems in sophisticated ways.