Person who studies the origin, structure and evolution of languages and who applies linguistic theories to solving problems specific to teaching, translation or communication in general. She works on the analysis and description of ancient and modern languages, studies the various aspects of language acquisition and learning, their functioning (phonology, morphology, semantics, syntax, etc.) and fundamental structures. human language. Finally, she analyzes and interprets the linguistic characteristics specific to certain regions, to certain eras and to different language levels.