crisis — a disaster or terrorist attack of such a wide-ranging impact or political significance that it requires timely policy coordination and response at Union political level (c)

disaster — any situation which has or may have a severe impact on people, the environment or property, including cultural heritage (a)

response — any action taken in the event of a disaster or a terrorist attack to address its immediate adverse consequences (d)

terrorist attack — a terrorist offence as defined in Council Framework Decision 2002/475/JHA Council Framework Decision 2002/475/JHA of 13 June 2002 on combating terrorism (OJ L 164, 22.6.2002, p. 3). (b)