aggregation, collection, accumulation, assemblage - several things grouped together or considered as a whole

air traffic - traffic created by the movement of aircraft

commuter traffic - traffic created by people going to or returning from work

foot traffic, pedestrian traffic - people coming and going on foot

vehicle traffic, vehicular traffic - the aggregation of vehicles coming and going in a particular locality

commerce, commercialism, mercantilism - transactions (sales and purchases) having the objective of supplying commodities (goods and services)

drug traffic, drug trafficking, narcotraffic - traffic in illegal drugs

simony - traffic in ecclesiastical offices or preferments

slave trade, slave traffic - traffic in slaves; especially in Black Africans transported to America in the 16th to 19th centuries

communicating, communication - the activity of communicating; the activity of conveying information; "they could not act without official communication from Moscow"

interchange, reciprocation, give-and-take - mutual interaction; the activity of interchanging or reciprocating

relation - (usually plural) mutual dealings or connections among persons or groups; "international relations"

crime, law-breaking - (criminal law) an act punishable by law; usually considered an evil act; "a long record of crimes"

merchandise, trade - engage in the trade of; "he is merchandising telephone sets"

commerce, commercialism, mercantilism - transactions (sales and purchases) having the objective of supplying commodities (goods and services)

merchandise, trade - engage in the trade of; "he is merchandising telephone sets"