COVERART
Cover art
Cover art is the illustration or photograph on the outside of a published product such as a book, magazine, comic book, video game, DVD, CD, videotape, or music album. The art has a primarily commercial function, i.e. to promote the product it is displayed on, but can have also have an aesthetic function, and may be artistically connected to the product, such as with art by the creator of the product.The above text is a snippet from Wikipedia: Cover art
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