At the bottom of the Project navigator, there are three tabs (or four tabs after the calculation). Use the tabs to switch between the Data, Display, Views, and Results navigators.
Data Navigator
The Data navigator manages the model and load data as well as the results.
Display Navigator
This navigator controls the graphical display in the work window.
View Navigator
The Views navigator manages user-defined views as well as user-defined and automatically generated visibilities.
Results Navigator
This navigator controls which results are displayed in the graphic.