Tags are a good way of keeping track of employees with certain qualities. Tags can be filtered, and also fit into various aspects of system functionality.
Click on Employees in the sidebar.
Click on the name of the employee to be taken to their profile.
Click on the icon in the top right to see a list of tags.
Click the icon next to the tag you want to add, and click the icon to remove the tag.
Click on the to go back to profile.
Tags assigned to certain employees can be seen on the profile, as well as on the employee page.