Traffic Stat is a newly-added feature of v7.2, which aims to assistant the administrator to learn about the traffic condition of his chat rooms in a more convenient way.
If you need to view a specific room's traffic condition, select it in Search room name list, if you need the overall traffic condition, select All; after that, you may select the specific time range in the Search Time list and click Query, then the corresponding traffic figure will appear below Query conditions box.