Introduction - If you have any usage issues, please Google them yourself
This document is primarily to collecting, sorting and analysis on the system requirements, this document accurately describes the detailed description of the system to realize feature and requirements. In order to achieve the effect of easy to understand, the necessary and norms related to the document using the form of description on demand. For example, the business flow diagram, user operation page, such as form, but the document does not involve how to realize the function.