Core courses: These courses are the foundation of degree courses and are compulsory courses for all students. Students study various core courses, including courses in the fields of mathematics, English, humanities, natural sciences and social sciences. Some universities also require students to take many compulsory courses, while others only require a few courses. Specialized courses: majors are the subjects that students choose to study intensively. Most students only choose one major; However, some universities allow students to choose a second major in related disciplines. Your professional courses account for a quarter to half of all the credits you need to complete your degree. . Minor: Minor is a subject that students can choose to focus on besides major courses. Generally speaking, the minor course is half of the major course. Elective courses: These courses can be selected from any department. These courses give you the opportunity to explore the subjects or fields you are interested in, and at the same time help to accumulate the total credits needed for graduation.