The info that may be exchanged in between the customer and the server, which can be XML, is The key part of a web services design. XML (Extensible markup language) is a simple intermediate language which is comprehended by different programming languages. http://www.skladcom.ru/(S(qdiwhk55jkcyok45u4ti0a55))/banners.aspx?url=https://blackpoolwebdesigner.com/