Ten-year-old jamila has learned to speak formally with the adults in her life and informally with her friends. she has learned the of language.

She has learned the "pragmatics" of language.

Pragmatics is a sub-field of phonetics and semiotics that reviews the routes in which context adds to the meanings. Pragmatics includes speech act hypothesis, conversational implicature, talk in interaction and different ways to deal with dialect conduct,etc.