Mainly because of the different nature of schools, such as undergraduate courses, mainly comprehensive universities, involving a wide range of fields and disciplines, while general specialties are mainly aimed at some disciplines in some fields. Like many colleges, it can be seen from the sample name that this school is mainly in that field. The definition of a university cannot be limited to death. All colleges are universities, but some undergraduate schools don't have the word "university" in their names, and some are just colleges and the like.