Both professional courses and public courses are divided into compulsory and elective courses.
Therefore, we can say that we have professional compulsory courses, professional elective courses, public compulsory courses and public elective courses (some schools also call them quality elective courses). What the school arranges for you is a compulsory course, whether it is a professional course or a public course, the subject you can choose online is called an elective course. In addition to professional elective courses, public elective courses can choose subjects other than this major, such as economics, literature, history, philosophy, engineering and science, as well as any other non-economic subjects offered by the school.
Hehe, but the curriculum of each school will be different. You can choose according to your hobbies. Finally, I wish you success in your studies. Let's go