crisismeans an exceptional, unexpected and sudden, natural or man-made event of extraordinary nature and scale that takes place within or outside of the Union, that has or may have a severe negative impact on the functioning of the internal market and that disrupts the free movement of goods, services and persons or disrupts the functioning of its supply chains;
critically important sectorsmeans sectors that are of systemic and vital importance to the Union and its Member States for upholding public security, public safety, public order or public health, and the disruption, failure, loss or destruction of which can have a significant negative impact on the functioning of the internal market in times of a threat of a crisis;
internal market emergency modemeans a framework for addressing a crisis with a significant negative impact on the internal market which severely disrupts the free movement of goods, services and persons or, where such a severe disruption has been or is likely to be subject to divergent national measures, the functioning of its supply chains;
internal market vigilance modemeans a framework for addressing the threat of a crisis that has the potential to escalate into an internal market emergency within the next six months;
relevant economic operatormeans an economic operator along the supply chain that has the ability or capacity to produce or distribute any of the following:
significant incidentsmeans incidents that significantly disrupt or have the potential to significantly disrupt the functioning of the internal market and its supply chains;