Entertainment provided by bare act? (7)

I believe the answer is:

cabaret

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

'entertainment' is the definition.
(I know that cabaret is a type of show)

'by bare act?' is the wordplay.
'bare act' anagrams to 'CABARET'.
However, I am not sure how this is indicated.

'provided' is the link.

Can you help me to learn more?

(Other definitions for cabaret that I've seen before include "Floor show for Arab etc" , "Musical - nightclub entertainment" , "Film set in 1931 Berlin - floor show" , "Entertainment provided in a nightclub" , "goes on in nightclub?" .)

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