语言学 - Sociolinguistics

the spoken form of a language specific to a certain region or people which is slightly different from the standard form in words and grammar

the everyday language spoken by a particular group of people in a specific region or community

(linguistics) a variety of language that is used in a particular social context, based on the communicative purpose and social status of the user

words, phrases, and expressions used by a specific group or profession, which are incomprehensible to others

a distinct form or type of a language, such as a regional variety, social variety, or stylistic variety, which may differ in terms of pronunciation, vocabulary, grammar, and usage

words or expressions that are very informal and more common in spoken form, used especially by a particular group of people, such as criminals, children, etc.

the English language as used in the United Kingdom