Waiting is a movement. People who wait have received a promise that allows them to wait. They have received something that is at work in them, like a seed that has started to grow. This is very important. We can only really wait if what we are waiting for has already begun for us. So waiting is never a movement from nothing to something. It is always a moving from something to something more.
Waiting is also active. Most of us think of waiting as something very passive, a hopeless state determined by events totally out of our hands. But none of this passivity marks the waiting in scripture. It is active, because in our waiting we know that something is growing from the ground on which we are standing. Active waiting means to be fully present to the moment in a conviction that something is happening where you are and you want to be present to it.