What dahell u do with that? Does that mean you speak multiple languages?
Multiple applications including but not limited to:
Statistical or rule-based modeling of natural language from a computational perspective
The descriptive study of the effect of any and all aspects of society, including cultural norms, expectations, and context, on the way language is used, and the effects of language use on society.
The study of linguistic dialect, a sub-field of sociolinguistics.
The psychology of language is the study of the psychological and neurobiological factors that enable humans to acquire, use, comprehend and produce language.
It does NOT mean being able to speak multiple languages. Although, I can.