Sagot :
Explanation:
speech act theory - considers language as a sort of action rather than a medium to convey and express
Ethnography of communication -i s the study of communication within the background of social and cultural practices and beliefs
Pragmatic Theory - is the theory of truth that the truth of a statement consists in its practical consequences, especially in its agreement with subsequent experience.
Variationists - study how a language changes by observing it. This is accomplished by looking at authentic data. For example, variation is studied by looking at linguistic and social environments, then the data is analyzed as the change occurs.