The crossword solution for the term PART OF A/V is AUDIO, which stands for AUDIO-visual. AUDIO-visual is a term used to describe any combination of AUDIO and visual elements, such as a movie or television show. AUDIO-visual technology has been around since the early 20th century, and it has become increasingly popular in recent years due to advances in digital technology. AUDIO-visual technology is used in many different fields, including education, entertainment, and business.