Always keep track of things by assigning different colors to the various objects in your structure. Thus, the rendering display of the structure is even clearer; and you can see the essentials at a glance.
You can distinguish between Materials, Cross-Sections, Member Types, Member Hinges, Surface Types - Geometry, Surface Types - Stiffness, Surface Thicknesses, Solid Types, Surface Sides, Named Visibilities, and Effective Length Factors.