Map terminology
Certain terminology is used for DITA maps.
- root map
 - The DITA map that is provided as input for a processor.
 - submap
 - A DITA map that is referenced with a 
@scopeattribute that evaluates as "local". The value of the scope attribute might be explicitly set, be defaulted, or cascade from another element. - peer map
 - A DITA map that is referenced with a 
@scopeattribute that evaluates as "peer". The value of the scope attribute might be explicitly set, be defaulted, or cascade from another element. - map branch
 - A 
<topicref>element or a specialization of<topicref>, along with any child elements and all resources that are referenced by the original element or its children.