To-movement refers to the movement to a space as a destination from all others. The measure of Integration is said to predict to-movement.
To-movement
Sources Hillier, B., Burdett, R., Peponis, J., Penn, A. (1987), Creating Life: Or, Does Architecture Determine Anything? Architecture et Comportement/Architecture and Behaviour , 3 (3) 233 - 250. pp.237