Towards the bottom of the interface, you can find Simlab Composer's navigator panel, this panel grants the user access to all the predefined elements available in Simlab Composer,
elements, such as materials, HDR images, 3d models can be found in the libraries, a extensive assortment of predefined materials can also be accessed through the navigator panel.
In addition to the elements SimLab Composer provides, this panel access to the user created elements, some of which are scene states, walkthroughs and animations.
