When you configure federation trust relationships with other organizations or when you use Active Directory Federation Services ...

When you configure federation trust relationships with other organizations or when you use Active Directory Federation Services (AD FS) between your intranet and extranet, you can configure your federation trust relationships between partners under the Partner Organizations folder.  Partner Organizations includes the following two elements:  *  Account Partners - Account partners are other organizations that send you claim information. You can configure the claims and certificate information for your account partners.  *  Resource Partners - Resource partners are other organizations that you send claims to. You can configure the claims for your resource partners.  For more information about Partner Organization, see AD FS Help.