What is the difference between "DWI" and "DUI"?

Q: What is the difference between "DWI" and "DUI"?

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A: "DWI" stands for "driving while impaired" while "DUI" represents "driving under the influence." There is also a third, common term "OWI" or "operating while impaired." All three terms represent operating a motor vehicle after consuming enough alcohol to register a specific blood-alcohol level. Most states set the level at .1, although some states have or are considering lowering the level to .08.