noun:vehicles moving on a public highway or street
The morning traffic was unusually heavy today.
noun:the movement of ships, aircraft, or people along a route
Air traffic control manages the flow of planes in and out of the airport.
noun:the messages or data transmitted over a communications network
A sudden spike in web traffic caused the server to crash.
verb:to trade or deal in something, especially illegal goods
The cartel was accused of trafficking drugs across the border.