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.

Hong Kong is one of the two Special Administrative Regions of the People's Republic of China, the other being Macau.

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.