Emergency services are complex systems that require coordination across multiple technical infrastructure and integrated networks, involving various parties and regulations varying by country. Mastering industry jargon and evolving dynamics within emergency services is vital for developing safe, lawful, and impactful solutions. The concept of an Emergency Response Location (ERL) delivers a location to the Public Safety Answering Point (PSAP), which may include additional details such as apartment numbers or suite numbers. MSAG (Master Street Address Guide) is a database defining Emergency Service Zones and associated Emergency Service Numbers for proper routing of 911 calls. Industry categories of Emergency Services include Standard and Nomadic, with Standard used for static locations and Nomadic for non-static locations. Automatic Location Identification (ALI) provides caller information to PSAPs, while LIS (Location Information Server) is a database providing Emergency Response Locations. ESInet refers to an IP network for emergency services communications, and NG911/112 are the core services needed to process emergency calls on this network. Understanding emergency terminology is crucial, but precision in emergency preparedness extends beyond jargon to protecting business resources and people worldwide.