The document discusses the IEEE 1016 standard for software design documentation. It describes software design as the organization of a software system into modular components and the interactions between them. The standard outlines that a software design document should include an introduction, definitions, a decomposition description, dependency description, interface description, and detailed design sections. It provides examples of how to describe modules, processes, data, and interfaces. The detailed design section specifies including class diagrams, data processing pseudocode, and interface flowcharts.