Definition: Illustration is a visual representation, typically done by hand or on computer software, of an image. Illustration can be used for all types of media, including print, digital, broadcast, film, comics, illustrations, posters, book covers, packaging, and more. The technique involves capturing the essence of an original artwork in a limited number of images, often using vector graphics technology to ensure that the final result is as clean and professional as possible. Illustration can be used for many purposes, from illustrating books and magazines to designing promotional materials or presentations. It's also commonly used for branding and marketing, as well as for creating user interfaces on websites, mobile apps, and more.