Does it mean Sarah's consumed gin unwisely? (6)

I believe the answer is:

signal

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'does it mean' is the definition.
I can't judge whether this definition defines the answer.

'sarah's consumed gin unwisely?' is the wordplay.
'sarah' becomes 'Sal' (Sally is a common pet form of Sarah).
'consumed' is an insertion indicator.
'unwisely?' is an anagram indicator (I've seen 'unwisely' mean this).
'gin' anagrammed gives 'ign'.
'sal' going around 'ign' is 'SIGNAL'.

Can you help me to learn more?

(Other definitions for signal that I've seen before include "Memorable" , "Non-verbal communication" , "Gesture encoding a message" , "Gesticulate" , "Conspicuous" .)

I've seen this clue in the Evening Standard.

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