Adobe After Effects CS3 - Manual (Page 203)

AFTER EFFECTS CS3
User Guide
198
Note: The current-time indicator does not need to be located on a keyframe before you drag it.
Drag a keyframe in the Composition panel to move one Position keyframe.
You can move multiple keyframes at one time by selecting them in the Timeline panel before you drag them in the
Composition panel or Layer panel. To move the entire motion path, select all keyframes by clicking the property
name in the Timeline panel before dragging a keyframe in the Composition panel.
Dragging all keyframes on a motion path by one keyframe
Add a keyframe to a motion path using the Pen tool
1 Display the motion path that you want to modify in the Composition panel or Layer panel.
2 Select the Pen tool or Add Vertex tool from the Tools panel.
3 In the Composition panel, move the Pen tool over the motion path where you want to add the new keyframe and
click to add the keyframe.