Claudio Coello painted "La Virgen con el Niño entre las Virtudes teologales y santos" using oil on canvas. The material is the message here. Oil paint has a luscious quality, allowing for the creation of luminous surfaces. The way Coello has worked the pigment—layering it thinly in some areas, building it up thickly in others—creates a dynamic interplay of light and shadow. The sheer scale of the canvas tells us that this was a commission for a wealthy patron, most likely a religious institution. The act of painting itself, with its demanding combination of physical labor and intellectual engagement, mirrors the virtues celebrated in the image. The skilled application of paint is just as important as the subject. Ultimately, the painting invites us to consider how the physical properties of materials contribute to the work's overall meaning. It challenges any simple distinction between art and craft.