the.com/alarm bell

The sound of future you blaming present you for ignoring the warning.

means A bell, device, or signal meant to warn people of danger so they act before it's too late.

from From Italian 'all'arme' — literally 'to the arms!' — the battle cry shouted when soldiers needed to grab weapons fast. It passed through French into English as 'alarm,' carrying its urgency with it. 'Bell' was simply added later for the literal ringing device, but the word never lost that original jolt of 'drop everything, this is real.'

origin
from old french alarme, meaning to arms
function
designed to be annoying enough to override comfort
irony
most get silenced before they get solved
metaphor use
now rings in meetings, not towers
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