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1. I understand that something is the case. A: "Have fun, but remember the rule—" B: "I know, I know, put gas in the car and be back by 10. I will." A: "What you did really hurt the company, Jack." B: "I know, boss. I'm sorry."
2. I have the answer or solution. A: "We've got to find some way of increasing sales." B: "I know, let's give out a 10%-off coupon to everyone who spends over $50." A: "Does anyone know the value of X in this equation?" B: "I know! I know! Pick me!"
See also: know
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