Displays a vegetable dressed with capers (11)

I believe the answer is:

appearances

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'displays' is the definition.
The answer and definition can be both acts as well as being plural nouns.
Maybe they are linked in a way I don't understand?

'a vegetable dressed with capers' is the wordplay.
'vegetable' becomes 'pea' (pea is a kind of vegetable).
'dressed with' indicates putting letters inside (inserted letters are dressed in other letters).
'capers' becomes 'prances' (I've seen this in another clue).
'pea' placed inside 'prances' is 'ppearances'.
'a'+'ppearances'='APPEARANCES'

Can you help me to learn more?

(Another definition for appearances that I've seen is " Arrivals; impressions".)

I've seen this clue in The Telegraph.

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