1.
You use ~ to refer to computer programs and products which involve sound, pictures, and film, as well as text.
...the next generation of computers, which will be ‘~ machines’ that allow users to control and manipulate sound, video, text and graphics.
N-UNCOUNT: usu N n
2.
In education, ~ is the use of television and other different media in a lesson, as well as books.
N-UNCOUNT