I.down1[美 daʊn, 英 daʊn]副down often appears as the second element of certain verb structures in English (back down, clamp down, tone down, etc). For translations, see the relevant verb entry (back, clamp, tone, etc).
Analysis shows that journalists and publicists manipulate both the element of change and relevance (security concern) to maximize, or some cases play down, the strength of a story.