Kei is a term that can refer to various concepts, but it is often associated with a style of Japanese youth culture. This culture is characterized by unique fashion, music, and art, often influenced by anime, manga, and video games. Kei subcultures can include styles like Gyaru, Lolita, and Visual Kei, each with its own distinct aesthetic and community. In a different context, "Kei" can also refer to a type of small car in Japan, known as Kei cars. These vehicles are compact, fuel-efficient, and designed to meet specific regulations, making them popular for urban driving. Kei cars are often characterized by their small size and economical performance.