What does
flash
mean in Wordle 1591?

1. A device that produces a short flash of light to help illuminate a scene, mostly for night-time or indoors photography.

2. A sudden, short, temporary burst of light.

3. To cause to shine briefly or intermittently.

“He flashed the light at the water, trying to see what made the noise.”

4. Expensive-looking and demanding attention; stylish; showy.