Thus, fine details can interfere with the reception of the idea. On the other hand, if the size of the page allows, why not fill the image with details? It will be more interesting to look upon the page. This is the way the artist helps the reader perceive the text of the article more efficiently and remember the information received. The illustration helps reach effectively the client from the customer through a cover of a book or a funny character on a package of cookies. We all live in an era of visual oversaturation. Every minute Internet users exchange billions of images. However, only a few become legendary memes because their creators were able to get in the mood and find an artistic solution that echoed in our hearts and made us share this picture with friends. That is why, efficiency (success) of an illustration, how well it helps meet the goals (push up sales, scare in pages of books or laugh on the Internet) are objectively very important criteria for its high quality. All that relates to the visual part and technique is highly debatable.