You will notice several system options under this heading.  Each option includes a brief description underneath.  Click on the image below for a larger view, or follow along on your HRIS screens.

Click on the option that interests you to view more drop-down menus to choose.  Here is an example of 
the Employee Types system option:
Here, you can create a new employee type, search the drop-down menu for existing employee types, view actions or export, or filter.  You can select, edit, and delete from this screen as well.  Feel free to create new employee types to practice.  There are so many options to choose from under the System Option menus, that you can truly create your own unique HRIS.