Associative dimensioning is a basic concept in Vectorworks and it associates the dimensions to the objects. If you move the walls, the dimensions update. That is reasonably straight-forward and productive. But is also works the other way, where you can edit the dimension and the wall moves.
If the walls are connected then this technique can be very powerful.There is some great protected information here that is only available to paying subscribers. You must be an active paying subscriber to see it, but you can Subscribe here.