Just below the Portfolio Manager panel is the "Database Usage" display, which reports on usage statistics for futures, stocks and options, inclusive of an inventory of drive usage. This information is passed to the CSI host computer to monitor license compliance and may influence billing reports.
Hold your mouse over the display or anywhere in the lower border for a detailed summary of the content.
This information can also be found on the Access Rights screen found under "Account" of General Program settings on the UA Preferences screen.