Law is a broad field that encompasses the system of rules set by a society to regulate behavior along with the enforcement of those rules. Law students study all of a society’s rules, but usually specialize their law practice upon graduation into a particular area like civil or criminal law.

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.

Part-time learning allows one to obtain a degree or qualification even if one cannot attend school on a full-time basis. One can learn at one's own pace, gradually accumulating credits that count towards a final qualification.