Traffic and U-turn

Traffic noun - The buying and selling of goods especially on a large scale and between different places.

U-turn and traffic are semantically related. In some cases you can use "U-turn" instead a noun "Traffic".

U-turn noun - A changing from one policy or point of view to virtually its exact opposite.

Traffic and U-turn are semantically related. Sometimes you can use "Traffic" instead a noun phrase "U-turn".