Which of the Following Is True of the Traffic Department

Which of the following is true of the traffic department in a full-service agency?

A) It is headed either by an art director or a graphic designer who produce the final artwork for the ad.
B) It can be located only within the research department and is used to gather information through primary or secondary sources.
C) It gathers, analyzes, and interprets information that will be useful in developing advertising for the agency's clients.
D) It may be located in the creative services area of the agency or be a part of media or account management.
E) It is headed either by a copywriter or a media planner who selects and contracts for space and time in media.