traffic

(noun) the aggregation of things (pedestrians or vehicles) coming and going in a particular locality during a specified period of time.

(noun) buying and selling; especially illicit trade.

(noun) the amount of activity over a communication system during a given period of time. Examples: "Heavy traffic overloaded the trunk lines." "Traffic on the internet is lightest during the night."

(noun) social or verbal interchange (usually followed by `with'). Synonyms: dealings.

(verb) deal illegally. Example: "Traffic drugs."

(verb) trade or deal a commodity. Example: "They trafficked with us for gold."