Decipher crossword’s clues? Only about five (5)

I believe the answer is:

solve

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

'decipher crossword's clues?' is the definition.
'solve' can be an answer for 'decipher' (I've seen this before). I am not sure about the 'crossword's clues?' bit.

'only about five' is the wordplay.
'only' becomes 'sole' (synonyms).
'about' is an insertion indicator.
'five' becomes 'V' (Roman numeral).
'sole' going around 'v' is 'SOLVE'.

Can you help me to learn more?

(Other definitions for solve that I've seen before include "Get answer to (a clue)" , "Explain (a mystery)" , "Work out answer to puzzle" , "Person living voluntarily outside their own country" , "Unscramble" .)

I've seen this clue in The Everyman puzzle in The Observer.

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