The media of an artwork refers to?

The Medium of an artwork is what you used.

Explanation:

For example when painting on a canvas and use acrylics, it would be acrylic on canvas. This may also mean what kind of art is it? Like 2D art, 3D, Digital, or Traditional (physical pencil and paper). ect

A medium refers to the materials that are used to create a work of art. The plural of medium is media. Some of the most common media are oil paints (paints that use oil to hold pigments together), tempera (pigments held together with egg yolk), marble (soft, white stone), and bronze (a metal used to cast sculptures).