File general information about the capture file.

Time the timestamps when the first and the last packet were capturing (and the time between them).

Capture information from the time when the capture was done (only available if the packet data was captured from the network and not loaded from a file).

Display some display related information.

Traffic some statistics of the network traffic seen. If a display filter is set, you will see values in both columns. The values in the Captured column will remain the same as before, while the values in the Displayed column will reflect the values corresponding to the packets shown in the display.