A seemingly self-evident or necessary truth which is based on assumption; a principle or proposition which cannot actually be proved or disproved.
A fundamental assumption that serves as a basis for deduction of theorems; a postulate (sometimes distinguished from postulates as being universally applicable, whereas postulates are particular to a certain science or context).
An established principle in some artistic practice or science that is universally received.
A manner of speaking, a mode of expression peculiar to a language, person, or group of people.
A language or language variety; specifically, a restricted dialect used in a given historical period, context etc.
An established expression whose meaning is not deducible from the literal meanings of its component words, often peculiar to a given language.
An artistic style (for example, in art, architecture, or music); an instance of such a style.
A programming construct or phraseology that is characteristic of the language.
