An illustration is a pictorial representation that is intended to clarify the meaning of a concept or the purpose of something. It can be a drawing, painting or artwork that explains, clarifies, illuminates, visually represents or simply decorates a written text, whether it is literary, scientific or commercial in nature.
Because they are original images created to be used for a specific purpose and in a wide range of contexts. They are intended to support other media or to better represent ideas, texts or to explain them further.
These media include: