Oscar consumed by tragic drama - first part might lead one somewhere peaceful

I believe the answer is:

roadmap

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'might lead one somewhere peaceful' is the definition.
I don't know anything about this answer so I cannot tell whether this works.

'oscar consumed by tragic drama first part' is the wordplay.
'oscar' becomes 'o' (phonetic alphabet: alpha, bravo, charlie etc.).
'consumed by' indicates putting letters inside.
'tragic' indicates an anagram.
'first' indicates taking the first letters.
The initial letter of 'part' is 'p'.
'drama' anagrammed gives 'radma'.
'o' placed inside 'radma' is 'roadma'.
'roadma'+'p'='ROADMAP'

Can you help me to learn more?

(Other definitions for roadmap that I've seen before include "Route guide" , "Plan of action" , "Driving guide" , "Travel guide" , "A plan in stages" .)

I've seen this clue in the Irish Times.

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