17 Styles, slang and jargon.
Guidelines:
Styles
Slang -  origins of new words
Jargon and Argot
Regional and social influence, asylum-seekers in Britain, fashion
 
References:
1 our lecture
2 George Yule: The study of language, CUP, chapter 21 Language, Society, and Culture
   V.Fromkin, R.Rodman: An introduction to language, chapter7 Language in Society, see Styles, Slang, and Jargon