Meaning of "run through"

[Sophie]

I don't understand the meaning of this sentence at all because the phrasal verb "run through" is ambigual.
The supervisor suggested running through the emergency fire procedure again.
Thank you for your help.
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On earth there is nothing great but man, in man there is nothing great but mind.

[Mister Micawber]

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Run through = to practice, review, or rehearse quickly or informally.
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Native English teacher at Mister Micawber's

[Sophie]

Hi!
I'm afraid I haven't picked up the meaning of this sentence.
Can you explain it?
_________________
On earth there is nothing great but man, in man there is nothing great but mind.

[Mister Micawber]

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The boss suggested that we practice the emergency fire drill again.
.
_________________
Native English teacher at Mister Micawber's