Multilingualism refers to the ability of an individual or community to use multiple languages proficiently. This research area explores the cognitive, social, cultural, and educational aspects of being multilingual. Researchers study topics such as language acquisition, language processing, language maintenance and loss, language attitudes, language policies, and the impact of multilingualism on identity and communication. Multilingualism is a complex phenomenon that can have both benefits and challenges for individuals and societies, and researchers seek to better understand how multilingualism functions in different contexts around the world.