Meaning of INDICATOR in English
in ‧ di ‧ ca ‧ tor AC /ˈɪndəkeɪtə, ˈɪndɪkeɪtə $ -ər/ BrE AmE noun [countable]
[ Word Family: noun : ↑ indication , ↑ indicator ; verb : ↑ indicate ; adjective : ↑ indicative ]
1 . something that can be regarded as a sign of something else SYN sign :
All the main economic indicators suggest that trade is improving.
British English one of the lights on a car that flash to show which way the car is turning SYN turn signal American English
3 . a ↑ pointer on a machine that shows the temperature, pressure, speed etc
Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012