明白 vs 知道

知道 = have the fact (他知道这件事); 明白 = grasp the meaning — "got it" (我明白了，谢谢你).

明白

míngbai ㄇㄧㄥˊ ㄅㄞˊ

clear; obvious; unequivocal; sensible; reasonable; to understand; to realize

我明白了，谢谢你。

I understand, thank you.

知道

zhīdào ㄓㄉㄠˋ

to know; to become aware of; also pr. zhi1dao5

他知道这件事。

He knows about this.

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