A Group Node is used as a container for other Logic. As the color, opacity, size, and name can all be changed, it is very useful for management and organization.
The easiest way to create a Group is to select some Nodes and then press
G, but it is also available in the right-click context menu.
Another advantage of the Group Node is that, by changing the
Name Attribute you can easily create descriptive comments for your blocks of Logic. When you zoom out beyond a certain threshold within the Logic Editor, text on Nodes is no longer rendered, however, the names of the Group Nodes are.
The Color of the Group Node.
The alpha value of the Group Node's color space.