<category>

A category is a group of things that have shared characteristics.

A category can be used to classify content for navigation or retrieval. Such classifications are likely to come from an enumerated or hierarchical set. A processor might sort topics based on the associated categories and create a type of generated navigation.

The following attributes are available on this element: universal attributes.

Example

The following code sample shows that a topic is associated with three categories:

<prolog>
  <metadata>
   <category>History</category>
   <category>Non-fiction</category>
   <category>Editors' choice</category>
  </metadata>
</prolog>