What does the word "three points" mean?

If it is the left side of the heart, there is three points of water. That's Qin. Pronunciation (four tones).

If you are talking about the cursive writing of heart-shaped words. So that's what Wang Xizhi said in "Prairie Song", that is, the writing of the word "heart"-three points horizontally, that is, heart. There is a cloud in the song of the last straw: three snacks.