墨水 refers to ink, specifically the liquid used for writing or painting. It is commonly used in calligraphy and traditional Chinese painting.
墨水 (mò shuǐ) cheat sheet for homework
毛笔 (máo bǐ): This term refers to a traditional Chinese brush used for calligraphy and painting.
书法 (shū fǎ): This term refers to the art of Chinese calligraphy, which involves writing characters with a brush dipped in ink.
国画 (guó huà): This term refers to traditional Chinese painting, often done with brushes and ink on rice paper.