For people as individuals body language is how we move and hold ourselves, what we express with our gestures and what we feel as we do these things.
But body language can also be used on an abstract level to communicate general ideas, emotions or ideals of movement.
In sculpture the illusion of a figure is created in stone, wood, resin or other material by representing anatomy. That representation may be faithful realism or may be created by a visual language suggesting the anatomy but not describing it literally.
In moving from realistic representation to abstract language a sculptor can, for instance, selectively minimise forms, exaggerate proportions, create unnatural holes and hard edges in order to make us look at the figure and what it represents in a different manner...