Traffic
Traffic: chassis codes are how this audience names a car
Enthusiasts do not search for parts for a 2016 sedan. They search for the chassis code, the engine code and the stage, because that is the vocabulary of the forums and videos they learn from. A store organised around make and model misses the language entirely. The traffic lever is a page family built on platform: a page per chassis and engine combination listing everything the store offers for it, what order the modifications are usually done in, what each one requires alongside, and the known limits of the stock components. Those pages rank because they are written in the words the audience uses and because most retailers still publish a generic category tree instead.
