Describes the commands you can apply to all the objects in a particular layer at once.
Make a layer visible or invisible
Do one of the following:
Make the objects in the layer inactive
Make the objects in the layer unpickable
Reference geometry is similar to templated geometry, but it can be snapped to.
The layer bar is not visible below the prompt line?
Choose Layers > Toggle Layers or Layers > Toggle Layer Bar to display the Layer Bar.