The document discusses six key features of music videos: 1) Genre characteristics, with different genres having distinct conventions; 2) The relationship between lyrics and visuals, with videos often reflecting the message of the song; 3) The relationship between music and visuals, with tones and atmospheres matching; 4) Frequent close-ups of the artist to promote them; 5) Notions of looking through screens, mirrors, and staging; and 6) Intertextual references to other media sources to attract wider audiences.