shown in other instead.
A dummy node is a node designed specially for convenient hierarchy structuring and is not present in the world visually. This node serves as a parent one thus helping to organize the selected child nodes into a group. The dummy node, though invisible, has the same common options as other nodes: it can be transformed (moved, rotated or scaled) and have a property assigned.
Creating a Dummy Node
To create a dummy node an Add Dummy Node option in the list of nodes in Editor panel. Then place the dummy node anywhere in the world:
Organizing Nodes Hierarchy
To organize a hierarchy, drag necessary nodes into the dummy node (by holding the Alt button):