Fashion models typically walk the runway at designer fashion shows or pose for editorial photo shoots. They are usually at least 5’8”, are thin, and not very curvy.
Plus-size models are usually at least 5’8” as well, but typically are a size 10 or above. They typically model plus-size clothing and accessories.
Commercial models pose for everything from print ads to magazines to catalogs. There’s more variety in the size and look in this field of modeling, so you can be shorter than 5’8” and curvy.
Parts models pose to showcase specific parts of the body, such as their hands or hair. You don’t necessarily have to have a certain body type for this type of modeling as long as the body part in question meets the right criteria.
