[T]he difference between sociolinguistics and the sociology of language is very much one of emphasis," says R.A. Hudson. "There is a very large area of overlap between the two" (Sociolinguistics, 2001). In An Introduction to Sociolinguistics (2013), Rubén Chacón-Beltrán observes that in sociolinguistics "the stress is placed on language and its role within communication. Sociology of language, however, centers on the study of society and how we can understand it through the study of language.