What is the point play in calligraphy?

Dot dyeing is a calligraphy technique, which refers to the dot dyeing of needle tip or fingertip in calligraphy. According to the public information about the query, it has the characteristics of fineness, accuracy and elasticity, and can display the fineness and rhythm of the text. The accuracy of the gesture is very important, because it can make the strokes of the text more three-dimensional and the details of the text more detailed, thus enhancing the expressive force of the text.