Cui is a term that can refer to various subjects, but it is often associated with the Chinese surname Cui (崔). This surname is common in China and has historical significance, with many notable figures throughout Chinese history bearing this name. In addition to being a surname, "Cui" can also refer to the Cui family of birds, which includes species like the Cui bird found in certain regions. These birds are known for their distinctive features and behaviors, contributing to the biodiversity of their habitats.