Answer:
What the artist used to create the artwork.
Explanation:
Examples of this are things such a colored graphite , charcoal , acrylic paint, etc. It could even be odd things such as coffee. It's just whatever substance is used to make a piece.
An artwork's medium refers to the different materials or supplies that an artist utilizes in order to create a work of art. In painting, medium can refer to both the type of paint used (oil, acrylic, watercolor, etc) and the base or ground to which the paint is applied (canvas, wood, paper, etc).
