The document discusses the importance of bilingualism. It notes that being fluent in multiple languages provides economic, communication, political and cultural benefits. Research shows that bilingualism is positively linked to cognitive and academic skills. Bilingual individuals are often more creative and better problem solvers. The document also defines different types of multilingualism, including monolingualism, bilingualism, trilingualism, and discusses concepts like submersion and immersion. It concludes that in today's globalized world, having multilingual skills is important for economic success.