to move back and forth at a constant rate between two points.
move back and forth, often with a regularly repeating motion
To move between the two. The oscillation between G.D.S and G.T.S generate the state we refer to as Intent.
to swing backward and forward like a pendulum; to move or travel back and forth between two points
To move back and forth or vary from one extreme to another.
To swing back and forth between a minimum and maximum value. One complete oscillation is regarded as one cycle.