Meaning of "run through"

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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Run through = to practice, review, or rehearse quickly or informally.
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Hi!
I’m afraid I haven’t picked up the meaning of this sentence.
Can you explain it?

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The boss suggested that we practice the emergency fire drill again.
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