olemus
kitsas valgusvihk või selle allikas, metafoorina ka otsinguvahendi vms toote või funktsiooni nimedes

Wiktionary:
1. a bright, directional light or lamp, especially one used to illuminate the focus or center of attention on a stage
2. (by extension) the circle of light shed by a spotlight
3. (figuratively) the center of attention; the highlight or most important part.

näiteid
https://en.wikipedia.org/wiki/Spotlight_(theatre_lighting)

https://en.wikipedia.org/wiki/Spotlight_effect

https://en.wikipedia.org/wiki/Spotlight_(software)