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order; command; decree
life
destiny; fate
「命」 has other readings with different meanings.
上からの命で動くしかない。
I have no choice but to act on orders from above.
大臣は国王の命を受けて国境へ出発した。
The minister departed for the border on the king's orders.
彼は上司の命に従いすべての書類を整理し直すことになった。
Following his boss's orders, he ended up reorganizing all the documents.