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.
- Selecting File > Optimize Scene Size.
