A blueprint detail is a technical drawing that provides a detailed description of a structure or system. The term 'blueprint detail' can be broken down into two words: SPEC (4 letters) and CLOSET (6 letters). SPEC stands for 'SPECIFICATION, ' which is a document that describes the requirements, design, behavior, or other characteristics of a product, service, process, or procedure. CLOSET is a noun that refers to a small room or space used for storage. Together, these two words form the phrase 'blueprint detail, ' which is a detailed drawing that provides information about a structure or system.