Model-Based Definition > Model-Based Definition > Annotation Features > About Working with the Combined Views > About 3D Detail Tree
About 3D Detail Tree
When you activate the Annotate tab in the 3D mode, the Detail Tree is displayed above the Model Tree in the navigation window. The 3D Detail Tree represents the active combined view and lists the annotations in the active combined view. Standalone annotations are listed using the annotation name. Annotation Elements are listed using the Annotation Element name.