Answer: Two things are being exemplified here;
1.) Pay structure
2.) Job structure
Explanation: A pay structure in an organisation defines what an employee will earn based on some factors such as; efficiency; length of time; value; position. (the difference in pay between an entry-level recruiter and an entry-level assembler)
While a job structure defines the different levels employees in an organisation are in and who they report to. (as well as the difference between an entry-level recruiter, the HR manager, and the organization's Vice President)