The Statistics window lets you view relevant Meta information about the incoming (FBX) file and system (application) settings. Information varies depending on what is in the file.
File Name
Displays the name of the file.
File Directory
Displays the location of the file directory.
File Version
Displays the FBX version of the file.
File Creator
Displays the name and version of the application that created the file.
File Creation Time
Displays the date and time that the file was created.
File Axis Direction
Displays the up-axis of the file.
File Units
Displays the unit of measurement in the file.
System Axis Direction
Displays what the up-axis is in the current application.
System Units
Displays the unit of measurement used in the current application.
File Content
Displays the number of Elements, Textures, Materials, and Caches in the file.
File content area
FPS
Displays the frame rate used (frames per second) in the imported scene and the application. If the frame rate is not one of the standard rates (24, 25, 30, 48, 50, 60, 100, 120 fps), it is not displayed. For example, an FBX file that uses a frame rate of 8 frames per second does not display in the Importer statistics.