Picture me in IGA butcher (7)

I believe the answer is:

imagine

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

'picture' is the definition.
(picture can mean to visualise or imagine)

'me in iga butcher' is the wordplay.
'me in iga' anagrams to 'IMAGINE'.
However, I am not sure how the anagram is indicated.

Can you help me to learn more?

(Other definitions for imagine that I've seen before include "John Lennon hit" , "Picture mentally" , "Conceive in the mind" , "Enigma, I? (anag)" , "Picture to oneself" .)

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

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