Dialect: noun 1. A variety of a language that is distinguished from other varieties of the same language by features of phonology, grammar,and vocabulary, and by its use by a group of speakers who are set off from others geographically or socially. 2.a provincial, rural, or socially distinct varietyof a language that differs from the standard language, especially when considered as substandard. Slang: noun 1.very informal usage in vocabulary and idiom that is characteristically more metaphorical, playful, elliptical, vivid, and ephemeral than ordinary language, as in “Hit the road”. 2.(in English and some other languages) speech and writing characterized by the use of vulgar and socially taboo vocabulary and idiomatic expressions. Colloquial: adjective 1.characteristic of or appropriate to ordinary or familiar conversation rather than formal speech or writing; informal. Jargon: noun 1.the language, especially the vocabulary,peculiar to a particular trade, profession, orgroup: medical jargon. Argot: noun 1.a specialized idiomatic vocabulary peculiar to a particular class or group of people, especially that of an underworld group,devised for private communication and identification: These are Wikipedia definitions: Argot (IPA: /ˈɑrgoʊ/; French, Spanish and Catalan for "slang") is a secret language used by various groups—including, but not limited to, thieves and other criminals—to prevent outsiders from understanding their conversations. The term argot is also used to refer to the informal specialized vocabulary from a particular field of study, hobby, job, sport, etc.(Like Jargon) Slang is the use of highly informal words and expressions that are not considered standard in the speaker's dialect or language. Thieve’s Cant: Thieves' cant or Rogues' cant, also known as peddler's French, was a secret language (a cant or cryptolect) which was formerly used by thieves, beggars and hustlers of various kinds in Great Britain and to a lesser extent in other English-speaking countries. Play: Polari The lost gay language of Britain.mp3 Code-Switching: noun, Linguistics 1.the alternate use of two or more languages or varieties of language, especially within the same discourse. Code Switching_Are we all guilty_.mp3 Obama talks about code switching during campaign.mp3 Pidgin: noun 1.an auxiliary language that has come into existence through the attempts by the speakers of two different languages to communicate and that is primarily a simplified form of one of the languages, with a reduced vocabulary and grammatical structure and considerable variation in pronunciation. 2.(loosely) any simplified or broken form of alanguage, especially when used forcommunication between speakers of differentlanguages. Creole: (usually lowercase) a creolized language; a pidgin that has become the native language of a speech community. Compare pidgin.