According to Baidu Chinese, the radical "tào" is "da". Structure: upper and lower structure. Stroke: 12 stroke. Stroke order: horizontal, vertical, horizontal, horizontal. Five strokes: QTJY.
In calligraphy, a set of characters refers to a family of characters consisting of a main character and several radicals, such as "work+strength = work" and "tears+eyes = tears". The strokes and shapes of each radical are different and have their own characteristics. In the design of printing fonts, printing also refers to a group of glyphs or pinyin, which consists of a group of different characters. By adjusting the size, shape, spacing and other parameters of characters, the overall effect is beautiful and unified.