Bilingualism refers to the ability to speak and understand two languages fluently. This skill can develop through various means, such as growing up in a multilingual environment, formal education, or immersion in a different culture. Bilingual individuals often have cognitive advantages, including improved problem-solving skills and enhanced memory. Being bilingual can also provide social and economic benefits. It allows for better communication in diverse settings and can open up job opportunities in a globalized world. Many countries, such as Canada and Switzerland, promote bilingualism as part of their national identity and cultural heritage.