The term DESIGN DETAIL can be summarized as the process of creating a detailed plan for a project or product. The SPEC part of the term refers to the specifications that are used to create the design detail. Specifications are the details of the project or product that must be met in order for it to be successful. They include things like size, shape, materials, and other factors that will affect the outcome of the project. Design detail is an important part of any project and is essential for ensuring that the project meets its goals.