In iClone, you may have some specific object, such as Actor, Camera, and Spot Light to Look At target objects. This feature facilitates you to manipulate the desired object to actually face to a target without tedious modifying to itself.
You may set key to have the desired object to look at one target at one time, and to look at another target at another time. Before the Look At target is changed to another, the desired object keeps looking at the target even the target is moving.