About Requirements Document

There are a lot of people talking about the product documentation is very cumbersome, the development looks tired, but in fact the product documentation for the product combing the staff is very helpful product demand, have their own ideas to make products people in the preparation of a comprehensive inventory , you will find a lot of problems when I did not expect before racking our brains. So when I developed a certain function or will develop the purpose, background, range and other information functions written in tapd, so that needs to develop before making clear exactly why we need to do to make this demand, and to what extent. This section will be placed in the wiki to do finishing. 
Specific to the demand level, I will be writing to the parent and child requirements based on the needs of different emphases. For the parent requirement, I will join the wiki link requirements described in details, the planning framework for the whole big demand, as well as the progress of the development planning needs of the parent. Demand for the child I might add more emphasis to the needs of specific content, interaction style and visual effects. It is noteworthy that, the product must be considered when planning requirements to all kinds of circumstances, and then developed to avoid repeated change appears.