The crossword solution for the term 'LITTLE DETAIL' is SPEC, which stands for 'SPECIFICATION'. A SPECIFICATION is a detailed description of a product or service that outlines its features, functions, and other characteristics. It is often used in engineering and manufacturing to ensure that products meet certain standards. Specifications are also used in software development to ensure that the software meets the customer's requirements. In general, specifications provide a clear understanding of what is expected from a product or service.