“…For example, when we fry to place the label at a fixed distance below rhe box, Roekit f-proposes a eomector, then an aligner, and finally a spaxr -the deAred constraint. Rockit gives the user both graphical and sonic feedback [1] to indicate the inferred constraints. Audio conveys information about the constraint type and the intensity of the force applied to the dragged objecL It is an essential complement to purely graphical f~which can be problematic in a graphical editw using graphical attributes for feedbaek may confuse users who wish to use the same styles for ereadng their own graphical objects.…”