The term '911 Responder' refers to the individuals who respond to emergency calls. These responders can include Emergency Medical Services (EMS) and Emergency Medical Technicians (EMT). EMS is a three-letter abbreviation for Emergency Medical Services, which are medical personnel who provide emergency medical care and transportation to those in need. EMT is a three-letter abbreviation for Emergency Medical Technician, which is a professional who is trained to provide basic medical care and transport patients to medical facilities. Both EMS and EMTs are essential to providing emergency medical services and responding to 911 calls.