WHAT DOES BIG MAINE COON KITTENS FOR SALE MEAN?

I got her from a rescue shelter and they didn’t even know the type. The vet states medium hair domestic cat but she is humongous and has quite fairly coat. I’m considering getting her examined to check out.SHADED CALICO: white with unbrindled patches of black and shades of red. Mantle of black and pink shading down the perimeters, face and tail