Creates a text label with an
arrow pointing to the selected object.
Deleting annotations
does not remove the corresponding locator node from the scene. To
delete the locator node, do one of the following:
After deleting the annotation node, select
the locator node and delete it.
Select the annotation and press the pick
walk up hotkey (default is up arrow key). The locator node will
be selected and deleting it will also delete the annotation node.