Select Entity: Select the one of the following entity to apply the settings for-

• Account
• Contact
• Lead

Related Entities: All the entities displayed to you which are having 1:N relationship with the base entity selected.

• Toggle List: You will be able to view (i.e. toggle) the list of entities either by ‘Display Name’ or ‘Schema Name’.
• Sort List: You will also able to sort the listing by ASC or DESC order, by right clicking the column header.
• Search Entities: You will able to search the entities from the list using keyword search feature, by click the search icon.