In the Animation Curve window and the Track Editor, you can translate an animation curve, track, or a selection of keyframes horizontally to change the timing of keyframes.
In the Animation Curve window, you can also translate an animation curve or a selection of keyframes vertically to increase or decrease keyframe values.
To translate a channel or a group of keyframes:
The animation curve or track is moved. The relative positions of keyframes remain unchanged.
To translate a channel in the Track Editor using a handle:
The selected tracks are translated in time. Their composing keyframes remain in the same relative position to one another, and their values are not affected.