Crossword Genius

Parts with some bread we hear (5)

Ross

I believe the answer is:

roles

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'we hear' is the definition.
I can't tell whether this defines the answer.

'parts with some bread' is the wordplay.
'parts' becomes 'res' (re is a kind of part).
'with' means one lot of letters goes inside another.
'some' indicates the central letters.
'bread' becomes 'roll' (roll is a kind of bread).
The central letters of 'roll' are 'ol'.
'res' placed around 'ol' is 'ROLES'.

Can you help me to learn more?

(Other definitions for roles that I've seen before include "Parts in plays" , "Theatrical parts" , "Dramatic parts" , "Actors' parts" , "Parts in a play" .)

I've seen this clue in The Globe and Mail.
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