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Courses consist of one or more instances of the same class. The Courses service tracks:
- which Which courses belong to what course category,
- the The number of units the course satisfies,
- a A list of all the instructors eligible to teach the course,
- a A list of all the schools or locations that can host the course,
- a A list of any courses that are considered a prerequisite for the current course,
- the The student enrollment types,
- the The product associated with the course for order entry purposes, and
- which Which lessons are associated with the course.
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