A more thorough explanation:

materia

Materia means the materials used for building or creating something. It is different from the form or shape given to something by using labor or skill. It can also refer to matter or substance.

• Bricks, cement, and wood are all examples of materia used in building a house.
• An artist may use different types of materia, such as paint, clay, or metal, to create a sculpture.

The first example shows how materia refers to the physical materials used in construction. The second example illustrates how materia can be used in the creation of art, where different types of materials are used to create a sculpture.