Crossword Genius

Concept used in Madrid earlier (4)


I believe the answer is:


'concept' is the definition.
(I've seen this before)

'in madrid earlier' is the wordplay.
'in' indicates a hidden word.
'IDEA' is hidden in the letters of 'madrid earlier'.

'used' acts as a link.

(Other definitions for idea that I've seen before include "Thought or notion (4)" , "Flash of inspiration?" , "Aim" , "Clue" , "Creative spark" .)

I've seen this clue in The Sun.
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