The initial main view displays groups for the activated integrations (Amazon / Azure). From here you can drill into them by expanding the groups or by clicking on their icons to view high level information.
1. Search bar
Home - Resets to this initial view and pre-selects one of the groups shown above.
Center - Centers the current diagram to fit the screen
Expand-All - Expands a selected group and all of it's sub-groups (all the way down).
Settings (Logout and Administration page)
3. Datasource Groups