question about car's category

This topic exist in Wiki, named as car classification, if you do search, you will find it as well as me. But I was not born in English country, so still many questions remained.

In the classification list I didn't see some nomenclature like ven, pillar, wagon, etc.I searched google by typing pillar into search bar, the images emerged to me were nothing to do with vehicle.

Therefor, how do you categorize vehicles, I mean car as well, by all types of car included. For example, some kind of car with plafond foldable, and some sort of vehicle merely two door but never been called as sport car.

I think there are terminology for all such special car or say the carS with mutual character.

Would you help me to be clear?

BTW, could you possibly share some cutaways of vehicle with annotations like this
If you are willing to share, please make the annotations can be seen clearly.
thanks in advance.

The A Pillar is the first used at the windscreen, The B Pillar is the 2nd or middle as used in a sedan , The C Pillar is where the roof meets the body.

Convertible has a folding top and two doors.

Coupe is a two door often without a center B pillar.

Sedan is a 4 door.

Trucks have an exposed bed.

SUV has an enclosed bed.

A Van is built on a truck frame.

A mini van is built on a car based uni body chassis.

A crossover SUV is also built on a car based uni body chassis.