If you are working in selection mode,and you have made a selection in current frame.Move mouse,when it become .That means the position of mouse point is just in the selection area.Now you can click and Move mouse to new position.Release up the mouse button,the selection moves to the specified position.
.That means the position of mouse point is just in the selection area.Now you can click and Move mouse to new position.Release up the mouse button,the selection moves to the specified position.