The term 'ADD DETAIL TO' can be interpreted in two ways. The first is to DEVELOP something, which is a seven-letter word. Developing something means to create or expand upon an idea or concept. It can involve creating a plan, designing a product, or creating a strategy. The second interpretation of the term is to EMBROIDER something, which is a nine-letter word. Embroidering something means to decorate fabric with needlework, usually using colorful threads and intricate designs. This type of decoration is often used to add detail to clothing, accessories, and other items.