2. Stroke (bǐ huà) usually refers to points and lines of various shapes that constitute Chinese characters, such as horizontal (1), vertical (2), left (3), point (3) and fold (3). It is the smallest Lian Bi unit of Chinese characters.
3. Stroke sometimes refers to the number of strokes, such as the Chinese character stroke index in front of the word book.
4. When expressing these two meanings, "strokes" can also be used as "strokes", but now it is standardized as "strokes".
5. In addition, strokes also refer to pictures with pen-and-ink strokes, which are generally used in ancient books, but people don't use them often or not at present.