The document discusses disaster management and defines key terms. It defines a disaster as a serious disruption that exceeds a community's ability to cope using its own resources. Disaster management is defined as organizing resources to deal with humanitarian aspects of emergencies, including preparedness, response, and recovery. The main types of disasters are natural disasters, environmental emergencies, complex emergencies, and pandemic emergencies. Local, national, and international organizations are involved in disaster management plans that cover prevention, preparedness, relief, and recovery.