Thought to remove character’s prop from musical show (7)

I believe the answer is:

concept

I'm a little stuck... Click here to teach me more about this clue!

'thought' is the definition.
(I know that concept is a type of thought)

I don't understand how the rest of the clue works.

Can you help me to learn more?

(Other definitions for concept that I've seen before include "Product of the mind" , "Notion" , "Abstract or general idea" , "Abstract idea; mental picture" .)

I've seen this clue in the Sydney Morning Herald.

Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.