What do analysts and briefers use to alert policymakers to the level of confidence they have in their judgments, based on the available information?

Estimative Language

Explanation:

To create confidence in their judgements, they use three different levels of information. They are:

High confidence judgement which generally comes from a trustworthy source of information, that means when the source is of good quality the information is of high reliability, although the information might be wrong sometime.Moderate confidence means although the information is credible but it is not a good source to rely on and the quality of work might be low.Low confidence shall possibly mean that the information is not of good credibility or the sources are not secure enough.