Extracted data about a detour (4-3)

I believe the answer is:

read-out

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'extracted data about a detour' is the definition.
I can't tell whether this defines the answer.

'about a detour' is the wordplay.
'about' indicates an anagram.
'a'+'detour'='adetour'
'adetour' with letters rearranged gives 'READ-OUT'.

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