They are one and the same.
There IS a difference that you consistently ignore.
The fact that they is no difference is what you consistently deny.
The Body of Christ is the Catholic, meaning universal, Church.
Yes.
The CATHOLIC Church has members within the Body but it is not the entire body.
Nope. The Catholic Church is the Body of Christ and you yourself--as a believer--are within it.
Sorry, but you keep getting it wrong. I am within the Body of Christ, not the Catholic (big C) church.