What is protorial drawing?

Protorial drawing refers to a technique in art and design that involves creating preliminary sketches or diagrams to explore ideas and concepts before finalizing a piece. It serves as a foundational step in the creative process, allowing artists and designers to visualize their thoughts and experiment with composition, form, and color. This method is often used in various fields, including fine arts, architecture, and product design, to refine concepts and enhance the overall outcome of the final work.