Flow/Mainmenu
From Observer GigaFlow Support | VIAVI Solutions Inc.
In the top right hand side of the screen you have access to the main menu options 
These include (depending on your privilege level)
Home , here you can refresh or return to the Server Overview page
Events , access to the events reports page
FlowSec , access to the FlowSec view of events.
Profiling/Patrolling , access to the application definition and profiling pages
Settings , access to the various settings options available
Performance , access to the performance information of anuview Flow
Logout/User Settings , ability to logout or change you password (click on username)