A blue line traced the air just above his head and he jerked back.

She reached out, traced the lines of it on his face.

He lifted a hand, traced the line of her hair.

Her royal line traced back into the mists of antiquity.

A bright green line traced its way across an unreadable map.

Around the box itself, in midair, lines of green and amber light traced yet more spells through space.

He touched a control and a white line traced the edges of the free-form shape.

On the monitor, the line traced the surface of a storm-tossed sea.

I saw a thin red line traced across my hand.

A thin luminous green line traced across the middle of the screen.