1. Picture books are called "hobbies" in Japanese. When Chinese characters are used as traditional "picture books", as the name implies, they are "picture books". In other words, it refers to a kind of book with painting as the main part and a small amount of words. At present, the picture books on the market mainly focus on children, covering literature, education, popular science and so on.

2. Comics, an art form, are pictures depicting life or current events in a simple and exaggerated way. Generally, methods such as deformation, analogy, symbol, suggestion and innuendo are used to form humorous pictures or groups of pictures in order to achieve the purpose of irony or praise. This is a painting with strong satire or sense of humor. Exaggeration, metaphor and symbol are often used to satirize, criticize or praise some people and things, which have strong sociality. There are also works purely for entertainment, and entertainment works often have two kinds: funny and characterization.