"tell them what you are going to tell them, tell them, and tell them what you told them" is one way to describe the informative technique of

The answer is "building redundancy into the speech".

In linguistics, redundancy alludes to data that is communicated more than once. Cases of redundancies incorporate various understanding highlights in morphology, different highlights recognizing phonemes in phonology, or the utilization of numerous words to express a solitary thought in talk.

Where are the choices?