软件的概要设计又称为软件系统（程序系统）的设计，本文件应说明软件系统即程序系统设计的总体考虑，包括系统的基本处理流程、软件系统的组织结构、模块划分、功能分配、数据结构、接口、运行、 出错处理和系统维护等方面的设计，为详细设计提供基础。-The outline design of the software, also known as the design of software systems (programming system), this document should describe the overall consideration of the software system programming system design, including basic processes, the organizational structure of the software system, module division, function allocation, data The design of the structure, interface, operation, error handling, and system maintenance, provide a basis for detailed design.