While the first design goal of the Recommendation states that XML shall be straightforwardly usable over the Internet, it can be demonstrated that XML has broad application in such areas as e-commerce. With this in mind, CORBA Developer's Guide with XML focuses on XML document type definition (DTD) design using the structures of CORBA to present a new perspective to programming in an object-oriented environment. This book does not teach XML but rather discusses design for experienced object oriented developers. Programmers need to comprehend how an analysis of an environment, CORBA, assists in the design and development of XML elements, attributes, and entities that reflect that environment.