A field set defines a group of sObject fields. A Visualforce page can iterate the fields contained in the set and access the values and other information, such as label or type, through the merge syntax. This decouples maintenance of the page from the skill set required to author Visualforce pages, and allows administrators to add or remove fields through point and click.
In this recipe we will create two field sets for the contact sObject: one to display the address information and another to display information about the contact. We will then create a Visualforce page that uses these field sets to render input components inside a page block section, which allow a contact record to be created or edited.
