Usage patterns
〈事〉の指標となるto serve as an indicator of something
Sales figures serve as an indicator of a company's performance.
指標を示すto show/present an indicator
This graph shows an indicator of economic growth.
指標に基づいて〈動詞〉to do something based on an indicator
The government decides its policy based on economic indicators.
〈事〉を測る指標an indicator that measures something
An indicator to measure the happiness of citizens was developed.