The Icons

 Green Tick - Used to save your current selection of employees and exit so that you can begin working with them.
 Red Cross -Abandons any change made to the current selection and exits the screen
 Expand All - Used to expand the entire company structure.
 Contract All - Used to collapse the entire company structure.
Select All - Used to select all departments in the company.
 Deselect All - Used to select no departments in the company.
 Invert All - Used to invert your current selection.
 Filter Selection - Used to create a filter on your selection of employees based upon specific criteria.
 Load Selection - Used to load a saved selection.
 Save Selection - Used to save your current selection