The document discusses the inverted pyramid structure for delivering written content. It originated during the American Civil War when telegraph communication was unreliable and news had to be conveyed succinctly. The inverted pyramid places the most important information like who, what, where, why at the beginning in the lead section, followed by supporting information in descending order of importance, with details at the bottom for easy editing if needed. This allows the essential information to be understood even if the transmission is cut off.