Give instructions for disciplined behaviour (5)

I believe the answer is:

order

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'give instructions' is the definition.
'order' can be an answer for 'instructions' (thesaurus). I'm unsure of the 'give' bit.

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

Can you help me to learn more?

(Other definitions for order that I've seen before include "Regular or proper arrangement" , "association" , "demand" , "Command; arrange" , "Command; social class" .)

I've seen this clue in The Irish News.

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