Calligraphy is an important part of China traditional culture and art, with a long history and rich connotations. In calligraphy, commonly used words are as follows:

1. Four Gentlemen of Calligraphy: Four representatives of calligraphy law: Wang Xizhi, Wang Xianzhi, Yan Zhenqing and Liu Gongquan.

2. Vertical and horizontal stroke power: refers to the change of stroke direction and strength in calligraphy, which is one of the important techniques in calligraphy.

3. Calligrapher's signature: that is, the name used by calligraphers to sign their own works is generally at the lower right of the works.

4. Running script: refers to the four basic fonts in China's calligraphy, namely, running script, regular script, cursive script, official script and seal script.

5. Common tools for calligraphy: brush, rice paper, inkstone, inkstone, ink bag, etc.

6. Calligraphy ink color: refers to the ink used in calligraphy works. According to different types of ink, there are blue ink, heavy ink, thick ink and light ink.

7. Kissing, copying, writing and engraving: refers to the four basic techniques in calligraphy creation, namely copying, freehand brushwork, writing and engraving.

8. Bone method, tendon method, texture and momentum: refers to the basic composition techniques in calligraphy creation, emphasizing the skeleton, momentum and texture structure of glyphs.

9. The "flying white" in cursive script refers to the blank space in cursive script, which is used to emphasize the agility and changefulness of calligraphy.

10. Calligraphy terms: such as point, horizontal, left, press, lift, pick, hook, fold and knot. These terms are commonly used symbols and techniques in calligraphy to express the differences in the shape, direction and strength of strokes.