One form of what time is? Minutes, perhaps (5)

I believe the answer is:

notes

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'minutes perhaps' is the definition.
(minute is a kind of note)

I don't understand how the remainder of the clue works.

(Other definitions for notes that I've seen before include "Jots down" , "registers?" , "eg E F G (mus.)" , "Sees" , "Written comments" .)

I've seen this clue in The Guardian.

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