(entertainment) spotlight (light shed by a spotlight)

use, usage

effective

stage, a place for performance / performance on stage / (video games) stage, level

spot / place; location

"life stage": stage of one's life (infanthood, youth, etc.)

effect / (judo) koka, points or the judge call to the points in the match of Japanese martial art of judo. less points to yuko.

use, utilize

an ace in cards or a "one" in dice / the first or top item

a pin, such as a hairpin, tie pin, bowling pin, or golf pin