The phrase "early indicator" refers to something that shows or signals a future event or trend before it actually happens. It helps us predict what may occur in the future based on the initial signs or indications we observe. Full definition
Among forest wildlife, birds are especially important because they serve as early indicators of forest health, water quality, air quality, and climate change. (treehugger.com)
Ratings of SEL skills and character can be used as early indicators of students at risk or who may be able to serve as positive role models and resources for their peers. (edutopia.org)
In identifying early indicators for homelessness, we are posing a larger question about how we might prevent homelessness and the myriad of associated negative health and social outcomes. (bmjopen.bmj.com)