Answer:
Medium is the material of a work of art.
Step-by-step explanation:
In art, the term "medium" refers to the material used to create an artwork. It can also refer to the type of art, for example, if it's a sculpture, a painting, an installation, etc. There're many different mediums to create an artwork, many times artists mix them: oil, pencil, acrylic painting, watercolor, gauche, pastels, collage using mixed techniques, among many others.