A "record sleeve" is the protective covering that encases a vinyl record, keeping it clean and safe from damage. However, there are several synonyms for this term in the music world. One popular alternative is "album cover," which refers to not only the protective sleeve but also the artwork and packaging surrounding the record. Another synonymous term is "jacket," which is a slightly thicker cardboard sleeve typically used for 12-inch LPs. "Gatefold" is another term used for oversized album covers that open up like a book, revealing additional artwork or lyrics. Lastly, "inner sleeve" refers to a paper or poly-lined sleeve inside the actual record jacket that protects the vinyl from any dust or scratches.