What's the difference between a job set and a job family?

A job family is a group of jobs that have different but related functions, qualifications, and titles. They are beneficial for reporting. You can define competencies for job families by associating them with model profiles.

A job set is an organizational partition of jobs. For example, a job set can include global jobs for use in all business units, or jobs for a specific country or line of business. When you select a job for a position or an assignment, you can view the available jobs in your business unit set and the common set.