The document discusses the influence of culture and society on language variations. It explains key concepts like speech communities, sociolinguistics, social dialects, idiolect, and style. Gender and social class greatly impact language variations - women and men differ in speech content, and higher social classes and more educated individuals use a higher standard of language. Phonological features also determine the social value of a speaker's language abilities. In conclusion, language spoken and written is enormously important as it determines how a person is perceived and respected in society.