Present when a service is directly accessible at a particular address (e.g. URL, etc.). Mutually exclusive with hostingRedirector. Describes an instance of a web service in technical terms. Describes an instance of a business or business unit. Describes a logical service type in business terms. Present only when the service is provisioned via remote hosting, load balancing, etc. Mutually exclusive with accessPoint. Support element used to contain implementation instance specific information about compatible specifications (via tModel reference) and optional settings details. A printable, free-form address. Typed by convention. Sort not used.