I often hear that there are "illustrators". What does an illustrator do?

Is a person who takes painting and illustration as his profession.

The main work of illustrators includes drawing illustrations and covers for books, magazines, newspapers, handbooks, novels, textbooks and other publications, as well as drawing greeting cards, posters, advertisements, inkjet and humorous paintings. Divided into electronic illustration and pure hand-drawing.

Illustrator is a general term, including illustrators facing the media publishing industry, children's illustrators facing the advertising industry and realistic illustrators;

Then there is the animation mascot designer; There is a great demand for game and film illustrators. Similar to the game industry, each film and television work will also have a lot of mirror drawing and scene design work, which undoubtedly has a great demand for illustrators in the game and film industry.