A course which must be completed before registering in an advanced-level course in the same or related discipline.
A requirement that must be met before commencement of study for a particular course or programme. For example, if you wish to study any Stage 2 Management and Employment Relations courses, you are required to have completed MGMT 101, a Stage 1 course (see Stage below).
A course that a student must successfully complete before enrollment in a particular subsequent course.
is a course which must be successfully completed prior to commencing the course for which it is required.