The most common and most likely answer to this crossword clue is the 10 letter word FOREGROUND
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More clues leading to the result FOREGROUND
Buddy explains!

The straight part
We know that "spotlight" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case spotlight = foreground.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does FOREGROUND mean?
FOREGROUND noun- The elements of an image which lie closest to the picture plane.
- The subject of an image, often depicted at the bottom in a two-dimensional work.
- The application the user is currently interacting with; the application window that appears in front of all others.
- To place in the foreground (physically or metaphorically).