0 something such as a speech, piece of writing, or act that asks or encourages people to take action about a problem:
It was an electrifying call to action for those who share the vision of Americans leading humankind into deep space.
The health care sector should regard the findings as a call to action.
A call to action was sounded by members of the Senate Committee.
The report should be a call to action for improving air quality.
Health impacts along transit routes have been documented and that is our call to action.
From that playful observation grew a resonant call to action and the nations first (and only) student think tank was born.
The goal of prognostication is not simply to depress everyone, but rather to serve as a clarion call to action.
In this way, the popular melody acts as a symbol of revolt and as a call to action.