Again sketch bleeding and painfully exposed (6)

I believe the answer is:

redraw

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'bleeding and painfully exposed' is the definition.
I can't tell whether this definition defines the answer.

'again sketch' is the wordplay.
'again' becomes 're' (prefix meaning 'again').
'sketch' becomes 'draw' (to sketch is to draw).
're'+'draw'='REDRAW'

Can you help me to learn more?

(Other definitions for redraw that I've seen before include "Design again" , "Find a new winner" , "plan afresh" , "Delineate again" , "Change" .)

I've seen this clue in the Sydney Morning Herald.

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