Overview the historical development of illustration, and talk about your understanding of commercial illustration based on your actual life experience.

If you look back at the history of illustration, it should be very long.

The battle form diagrams in some ancient generals' notes, and various illustrations in Western mathematics books.

The purpose of illustrations is to form a more intuitive impression through (graphic) annotations.

For commercial illustration, there is a more important mission: rendering and persuasion. For example, let’s introduce Zhangjiajie tourism. After talking about it for a long time, I have to show the truth through pictures, so let’s take a real photo. In some magazines, the illustrations are creative paintings. For example, in ghost stories, a scary painting will appear from time to time to stimulate your nerves. There is another kind of "faking". It comes from PS and comes from life and is higher than life.

To sum up, commercial illustrations have the function of advertising paintings. Sometimes illustrations are advertisements, and advertisements are illustrations.