Due to the perceptual theory of Greimas. formal elements of discourse refer to a content which has no example in semiotic level of natural world. So it could be assumed the existence of a reciprocal relation between language & perception of the world. What makes this relation possible is the presence of a medium. https://www.roneverhart.com/Arjo-Sara-Stedy-Stand-Assist-Manual-Patient-Standing-Aid/