What is the cover of album supposed to be?

The cover of an album is generally a visual representation of the album's content, often reflecting its musical style, themes, or the artist's persona. It serves as a creative expression and a marketing tool to attract listeners. Album covers can feature various elements such as photographs, illustrations, paintings, collages, typography, and symbols. They can depict the artist or band, abstract imagery, or metaphorical representations of the music within. Album covers are often designed to resonate with the album's title and overall aesthetics, aiming to create a visual identity and leave a lasting impression on the audience.