(mathematics) A branch of mathematics that studies special kinds of partially ordered sets (posets) commonly called domains.

A theory of how people positively and negatively value things and concepts, the reasons they use in making their evaluations, and the scope of applications of legitimate evaluations across the social world.

(literature) The theory or the philosophy of the interpretation of literature and literary criticism

(philosophy) Whose meaning depends upon a set of theoretical principles

(sociology) Any theory that is based on observation of social phenomena

The field of study dealing with how music works, typically examining the language and notation of music, the patterns and structures in composers' techniques, and so on.

(translation studies) The idea that translating and interpreting should primarily take into account the function of both the source and target text.

(mathematics) The study of the behaviour of queues, and of stochastic processes modelled on them.

(LGBT) A field of critical theory that emerged in the early 1990s out of LGBT studies and feminist studies, a kind of interpretation devoted to queer readings of texts.

The theory that employees are inherently lazy and irresponsible and will tend to avoid work unless closely supervised and given incentives.