This area describes the product in a brief paragraph. Acting as the main description, the paragraph can list what is included with the product, specifications, and any other promotional text. A successful description also includes the craftsmanship, materials used, and any artistic inspiration for the product if applicable.
The extended description area can be used if additional content is needed for the featured product. In this layout, have the main content you want a customer to see first within the first few sentences, with the extended description further down in order to have a strong first impression.