The correct answer is Vulnerability.The explanation of important terms in the context of Disaster Management is as follows:Vulnerability: Vulnerability of disaster describes the characteristics and circumstances of a community, system, or asset that make it susceptible to the damaging effects of a hazard.Hazard: A potentially damaging physical event, social and economic disruption, or environmental degradation.Risk: Disaster risk is the potential disaster losses in terms of lives, health status, livelihoods, assets, and services that could occur to a particular community or a society over some specified future time period.Threat: A threat can be a generic term for a specific danger, such as an object, situation, behavior, etcAdditional InformationSendai Framework for Disaster Risk Reduction (2015-2030) It is an international agreement related to disaster risk reduction.It was adopted by the United Nations members in 2015 at World Conference on Disaster Risk Reduction held in Sendai, Japan.It is a non-binding agreement.