"Echogram" is a symbolic sketch of a person's inner world, which is presented simultaneously in the form of a phantasmagoric environment and a complex mechanism."Echogram" is a symbolic sketch of a person's inner world, which is presented simultaneously in the form of a phantasmagoric environment and a complex mechanism."Echogram" is a symbolic sketch of a person's inner world, which is presented simultaneously in the form of a phantasmagoric environment and a complex mechanism.