Throughout this book, I have used several terms that are specific to XML and related W3C recommendations. This Appendix serves as a reference for XML-specific definitions.
XML Schema annotations are a built-in mechanism for including both human-readable and application-readable documentation in an XML schema.
Atomic data types are indivisible data types that derive from the
xs:anyAtomicType type. Examples include
xs:integer. List data types are types that are constructed of sequences of other types. Union data types are constructed from the ordered union of two or more data types or a restricted subset of a data type. The "XML Schema 1.1, ...