The application of successive coats or strata of materials upon a surface characterizes a fundamental technique in artistic creation. This method involves building up an image or form through superimposed elements. For instance, in painting, an artist might begin with an underpainting to establish values and then apply subsequent layers of color and detail to achieve the desired effect. Similarly, in sculpture, an artist may add layers of clay or other materials to gradually build up the form.
This practice allows for increased complexity, depth, and richness within a work of art. It enables the creation of textures, visual effects, and nuanced color relationships that would be difficult or impossible to achieve with a single application. Throughout art history, practitioners across various media, from oil painting to printmaking and mixed media assemblage, have employed this approach to enhance their artistic expression. The result can be a more visually stimulating and intellectually engaging artwork.