Signs or signals that show the existence or presence of something, or devices that point out information.
From Latin 'indicare' meaning 'to point out,' composed of 'in-' (toward) and 'dicare' (to make known); evolved to mean anything that reveals or suggests something.
Economists obsess over economic indicators like a doctor checking vital signs—a single rising indicator can trigger worldwide financial decisions affecting millions of people.
Complete word intelligence in one call. Free tier — 50 lookups/day.