The Summary page shows the basic summary information of a trace file.
The Trace Format value means the format of the trace file.
The Description value explains the format in detail.
The Trace Version value indicates the version of the trace file in its family.
Network Type value shows the network type, e.g. Ethernet, PoS or more.
Frame Count shows the total packet count in the trace file.
File Size shows the actual trace file size on disk.
The capture time and time zone information are presented by the trace file for the timestamp of the trace.
Frame Table is a unique implementation of Microsoft network monitor. So other than Microsoft Netmon format, other format will show the frame table as no.
More field can be available base on the file format. For ex., WildPackets provides the information of the username to capture the packet and even the interface id.