What are the icons on Tutorial: Lumberyard objects last image?

What are the icons at on top of the tree lamp and ground on the last image of the tutorial? https://s3.amazonaws.com/gamedev-tutorials/Tutorials/Lumberyard_Basics-Quick_Start_Reference-(04)_Lumberyard_objects_v1.pdf

Hey @999fe23d-4cb2-427f-87b2-933053178473,

The icons are helper node icons so you can easily select the objects in the scene.