The Summary shows totals and averages for Sessions, Pageviews,
Hits, and Bytes for the currently selected Date Range. Visitors
information is not shown here because it is only available when
UTM visitor tracking is employed.
A series of Hits to your site over a specific period of time
by one visitor.
A request to the web server by a visitor's browser for any
embedded file types.
Any successful request to a webserver from a visitor's browser.
The quantity of network bandwidth used by the files requested
during the selected Date Range.
Because Bytes numbers can be very large, abbreviations are used
as appropriate, such as MB for megabytes (~millions of bytes).
The average length of Session is displayed as hours:minutes:seconds.