15. The method of claim 13 , the enterprise system comprising a technology stack, the method further comprising: in response to a request from a calling application from the technology stack, using the definition to create an instance of the business object type, the enterprise system further comprising a service executable, without further customization, on the instance.
16. The method of claim 15 , further comprising: in response to a request from a calling application from a technology stack, executing a service on the instance.