Like many other CAD solutions, the Product Structure in Pixyz Review designates the scene tree (or scene hierarchy), that provides a structured view of the occurrences in the scene.

When a CAD/3D model is imported in Pixyz Review, the Product Structure reflects its hierarchy as it was designed in the CAD/3D solution that produced it.

It displays by default : The name of the occurrence and its visibility.

Then, this hierarchy can be modified to fit the user's need, interactively. You can : 

You can as well decide to display further informations regarding the occurrences thanks to fast properties.