Definitions of traffic
the information that passes through a communications system, especially the internet or an intranet
Google said the data center in Bridgeport will be a hub for Internet traffic.
the process of dealing or trading in something illegal eg drugs, weapons, or slaves
The Convention for the Suppression of the Traffic in Persons and of the Exploitation of the Prostitution of Others was approved by General Assembly resolution 317 (IV) of 2 December 1949.
the vehicles moving on a public highway at a particular time
The bridge will remain closed to road traffic until we can identify the cause and carry out appropriate repairs.