Plus for women is like big and tall for men.
Its not just the size its about proportion. The model is likely 6f tall.
So a plus 10 is usually designed for a taller size 10 woman.
However, women come in all sizes n shapes. So every brand is a little different. Theres a lot of variables.
Its very hard to market plus size clothing, plus and regular sized women always get worked up about it....... people just trying to sell clothes man