Multilingual interfaces are user interfaces that support multiple languages, allowing users to interact with software or websites in their preferred language. This feature enhances accessibility and usability for a diverse audience, making it easier for people from different linguistic backgrounds to navigate and understand the content. These interfaces often include language selection options, enabling users to switch between languages seamlessly. Companies like Google and Microsoft utilize multilingual interfaces to cater to global markets, ensuring that their products are user-friendly for individuals regardless of their native language.