Exaggerated profiles rate a circus 'poor' (11)

I believe the answer is:

caricatures

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

'rate a circus poor' is the wordplay.
'poor' indicates anagramming the letters.
'rate'+'a'+'circus'='rateacircus'
'rateacircus' anagrammed gives 'CARICATURES'.

Can you help me to learn more?

(Other definitions for caricatures that I've seen before include "Distorted pictures" , "Produces a portrait" .)

I've seen this clue in The Guardian.

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