Crossword Genius

Talks – and how! – just for show? (5)

Ross

I believe the answer is:

chats

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

I don't understand how the rest of the clue works.

Can you help me to learn more?

(Other definitions for chats that I've seen before include "Talks - birds" , "Wrens" , "Engages in casual conversation" .)

I've seen this clue in the Evening Standard.
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