Here is a quick overview of some of the ambiguous vehicle terminology:

VIN

All capital, 17 character value, which passes a VIN-check.

examples include: 2GTEC19J571626723, 3GTEC13J07G553731, 2CKDL63F876006392

Make

Also known as Manufacturer or Division. This is the producer of the vehicle.

examples include: Ford, Dodge, Chrysler, Jeep

Model

Also known as Subdivision. This is the largest sub-category of the vehicle.

examples include: Sebring, Ram, Wrangler

Trim

The package the model comes in.

examples include: LT1, LT2, 1LS

Option Code(s)

These are the factory-provided option-codes that the vehicle is equipped with. They are often specific to the style; and often 3 characters.

examples include: KA1, LNJ, MX0, R9N, UE1, YF5, A48

Option(s)

These are the factory-provided options that the vehicle is equipped with.

examples include: Floor mats, Sunroof, Air conditioning, Fog lamps

Model Number

This often corresponds to only the Model, however some models, have numerous Model Numbers.

examples include: CK10543, CG13405, CC10753, CG13405

Body

The Body is most simply a very broad and naked definition of the vehicle; however, many vendors opt to include other things, such as drive-train, and wheel base. This is said to be a consumer-friendly body.

examples include: Crew Cab, Sedan, Classic Crew 5 3/4', Sport Utility 4D, 4 DOOR EXT CAB PK

Footnotes

^ A VIN-check is a check on the VIN's 9th character. If any one character is off in the VIN the check digit will indicate that.