Leadsheets typically only contain the lyrics, chord symbols and melody line of a song and are rarely more than one page in length. Musicians will often use these skeletons to improvise their own arrangements. Leadsheets often do not contain complete lyrics to the song.
Product Information Is That Alright? from A Star Is Born [2018] - Digital Sheet Music (Leadsheet) (from the 2018 Warner Bros. Pictures film A Star Is Born)