Courses generally designed for freshmen, but may be appropriate for sophomores; also an introductory or first course taught in a sequence with in a specific discipline.
Courses generally designed for sophomores, but which may be appropriate for freshmen; also with in a department sequencing, advancing in a progression as a second course which may require previous knowledge or training.
Courses generally designed for juniors and seniors, but may be appropriate for sophomores; prerequisites are often required for this level of course.
Courses generally designed for juniors and seniors advancing well into upper division work with prerequisite knowledge base required.
Courses for graduate students; some upper level undergraduates can enroll in 700-799 courses.