To repurpose weapons into hand tools to be used in the creation of something new.
“He will judge between the nations and will settle disputes for many peoples. They will beat their swords into plowshares and their spears into pruning hooks. Nation will not take up sword against nation, nor will they train for war anymore. Everyone will sit under their own vine and under their own fig tree. No one shall make them afraid.”
Isaiah 2:4, Micah 4:3-4