What is the definition of pragmalinguistics?

Answer 1

results from a failure to identify or express meanings correctly

Answer 2

—Pragma-linguistics : the resources for conveying communicative acts and relational on interpersonal meanings. Such resources include pragmatic strategies, routines, and other range of linguistic forms which can soften or intensify communicative acts.

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—II. Socio-pragmatics : the sociological interface of pragmatics, referring to the social perceptions underlying participant's interpretation and performance of communicative actions.

Socio-pragmatics is about proper social behavior. Learners must be made aware of the consequences of making pragmatic choices.