WCM - Web Content Management

An application used to create and manage web page content, including text, graphics and photos, video or audio. WCM may also catalog or index content and provide the ability to personalize content for specific users.

XML - Extensible Markup Language

is a W3C (World Wide Web Consortium) initiative that allows information and services to be encoded with meaningful structure and semantics that computers and humans can understand. XML is great for information exchange, and can easily be extended to include user-specified and industry-specified tags