The phrase "audio-visual" refers to something that involves both sound and visuals. There are several different synonyms for this term including multimedia, video, film, digital media, and presentation media. Multimedia refers to any form of media that combines different types of content, such as text, audio, images, and video. Video and film both refer specifically to visual media, but still include audio components. Digital media encompasses a wide range of digital content, such as images, videos, audio files, and interactive media. Presentation media typically refers to the visual aids used during a presentation or lecture, such as slideshows and charts.