Commentary lied - auction was rigged (11)

I believe the answer is:

elucidation

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'commentary' is the definition.
The definition and answer can be both related to communication as well as being singular nouns.
Maybe there's a link between them I don't understand?

'lied auction was rigged' is the wordplay.
'lied auction' can be anagrammed to 'ELUCIDATION'.
However, I'm not clear how this is indicated.

Can you help me to learn more?

(Another definition for elucidation that I've seen is " Clarification, explanation".)

I've seen this clue in The Daily Express.

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