When pointed at something, this narrow beam makes a single point of light.

But then, he could never have hit any of those tiny targets with such a narrow beam.

Outside the narrow beam of light, everything was dark, almost opaque.

"I like taking people in that narrow beam of light," he said.

It was bright, but the narrow beam left most of the lobby in the dark.

The moment the guards appeared, he shot the light with a narrow beam.

Guided by its narrow beam, she took a step down, then another.

I could see the narrow beam of light from her hard hat up ahead.

It had a narrow beam, all right, and was low in the water.

I know not what was spoken on the narrow beam.