It is an international teaching system that aims to implement study programs of all kinds based on the credit hours of the courses. So that the student can choose the courses they want to study in each semester.
In universities that follow the credit hour system, the academic year consists of the first semester, the second semester, and the summer semester, which is considered an optional semester.
Each college consists of a number of academic or scientific departments that cover a number of common knowledge for all college programs, so that graduates of all programs in the concerned college enjoy a common amount of academic knowledge.
These courses represents the basic and common object of knowledge for students of one specialist, and they can be basic compulsory courses taught by all students of the specified or optional program through which the student is in depth in the field of specialization.