the use of several different means of expression or communication, e.g. in education, marketing, or art
(often used before a noun) the use of several means of expression or communication, e.g.:
the use of different media, such as television, video, etc, in education, marketing, etc
multimedia resource materials
the use of different materials and media as a means of artistic expression
the handling of various media, such as text, graphics, and sound, by a computer