Another common use for formula fields is the ability to access fields in related objects for display on a page. The next formula field is an example of this type of use.
Return to the main development page for the Position object and click New to create another new field.
Select Formula as the Field Type and click Next.
Set the Field Label to Location City/State/Country with a return type of Text. Click Next.
Select Location> (to bring up another picklist with fields in the Location object) in the Select Field Type picklist and City in the Insert Field picklist. The right arrow indicates that an entry is for a related object, and selecting that entry will bring up another picklist to the ...