Jargon

Jargon, or technical language, is the specialized terminology associated with a particular field or area of activity. Jargon is normally employed in a particular communicative context and may not be well understood outside that context. The context is usually a particular occupation (that is, a certain trade, profession, vernacular or academic field), but any ingroup can have jargon. The key characteristic that distinguishes jargon from the rest of a language is its specialized vocabulary, which includes terms and definitions of words that are unique to the context, and terms used in a narrowe

A cliché ( or ; ) is a saying, idea, or element of an artistic work that has become overused to the point of losing its original meaning, novelty, or figurative or artistic power, even to the point of now being bland or uninteresting. In phraseology, the term has taken on a more technical meaning, referring to an expression imposed by conventionalized linguistic usage.

Gibberish, also known as jibber-jabber or gobbledygook, is speech that is (or appears to be) nonsense: ranging across speech sounds that are not actual words, pseudowords, language games, and specialized jargon that seems nonsensical to outsiders.

specialized language used in legal practice

linguistic patterns associated with young speakers

Technobabble (a portmanteau of technology and babble), also called technospeak, is a type of nonsense that consists of buzzwords, esoteric language, or technical jargon. It is common in science fiction. Use of technobabble in the Star Trek universe is referred to treknobabble.

English slang term