The term VIDEO COMPANION can be broken down into two crossword solutions: VIDEO and AUDIO. VIDEO is a type of media that uses moving images to tell a story or convey information. It is often used in television, movies, and other forms of entertainment. AUDIO is a type of media that uses sound to communicate a message. It is commonly used in music, radio, podcasts, and other forms of AUDIO-based media. Together, VIDEO and AUDIO form the term VIDEO COMPANION, which refers to a person or device that provides both VIDEO and AUDIO content.