Metadata relating to important dates in the life cycle of the document are stored in a created and revised elements in the topic prolog or ditamap topicmeta elements.
Author, publisher and publication metadata
Metadata relating to author, publisher and other publication details for a publication or a topic are stored in author, publisher, copyright, and prodinfo elements in the ditamap topicmeta section or the topic prolog section.
The outputclass attribute
When you need an element to appear differently in the output from other elements with the same semantics, you can provide a value in the element's outputclass attribute.
The status attribute
The position of a topic or content element in the development life cycle is recorded in the status attribute.
The importance attribute
The relative importance or priority of a content element is recorded in the importance attribute. Elements with a higher priority may be highlighted in the output.
The source element
When a topic is based on information from another resource, details of that related resource can be stored in the source metadata element in the topic prolog section.