What Woori Means in Korean?

Woori (우리) means 'we' or 'us' in Korean.  Korean people commonly use "We" instead of "I".  the definition of woori is "the word that indicates the person himself/herself or several people who are on the same side".  The article by Korean dream describes that the word woori is used frequently by Korean because Korean place higher value on the larger society value.
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Check out the article here.
http://www.hyunjinmoon.com/uri-the-korean-notion-of-the-collective-self/