Unnest node dialog
Specifies how to handle node presentations when nested elements are moved from the container to the diagram area.
Delete nesting relationship
Deletes the nesting relationships when you place nested elements outside the container.
Show nesting relationship
Shows the edge between the elements when you place nested elements outside the container.
Keep but do not show nesting relationship
Does not show the edge between the elements when you place nested elements outside the container. The nesting relationships are retained.