Linguistics is the science-based study of human language. Its students seek to understand the context, structure, and meaning of languages by comparing existing human languages and studying their similarities and differences. Areas of study include phonology, semantics, and syntax.

Asia is the world's largest and most populous continent, located primarily in the eastern and northern hemispheres. It covers 8.7% of the Earth's total surface area and comprises 30% of its land area.

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.