This document provides an overview of DXL, the Domino XML Language. It begins by explaining the basics of XML, including elements, attributes, text content, and the tree structure of XML documents. It then states that DXL is an XML representation of Domino data, such as documents, design elements, and database properties. The document concludes by explaining that with an understanding of XML fundamentals, the reader now understands the basics of DXL, and can learn what specific Domino data it can represent and how to work with DXL using tools like parsers, transformers, and the Domino Designer.