How to conceal objects from electromagnetic radiation has been a hot research topic. Radar is an object detection system that uses Radio waves to determine the range, angle, or velocity. A radar transmit radio waves or microwaves that reflect from any object in their path. A receive radar is typically the same system as transmit radar, receives and processes these reflected wave to determine properties of object. Different organizations are working onto hide object from the radar in outer space. Any confidential object can be taken through space without being detected by the enemies. This calls for necessity of devising new method to conceal an object electromagnetically.
A useful document for game designers to layout your ideas in a way that makes sense to outsiders. It's not 100% necessary to have all of these sections always do what is best for your projects which may need special sections such as 'narrative' or if your project is far more script heavy then look into LaTeX plugins for UML and class diagrams to make your doc extra pretty.