[Views] When one or more Views of a given entry is to be saved so that it can be quickly returned to. For example a View might represent an optimum display of a ligand in a receptor. You can rotate and zoom the Workspace to explore the wider environment and always come back to the optimal View with a single click. [Scenes] When everything about the state of the Workspace needs to be saved for subsequent viewing or for communicating to other users. Can make "presentations" that are complete and self-describing. [0] 
Typical application