Traffic refers to the movement of vehicles, pedestrians, and other modes of transportation along roadways and pathways. It encompasses the flow of individuals and goods through a network of streets, highways, and transit systems. Traffic can also denote the volume and patterns of such movements, often analyzed for purposes of urban planning, transportation engineering, and safety management. In broader contexts, traffic can refer to online data transmissions and communications, such as the flow of information on the internet, indicating how information is transferred between users and servers.