What are techniques used to convince. They include repetition sentence variety understatement and overstatement.?

Techniques used to convince include using persuasive language, emotions, logic, evidence, and appeals to credibility or authority. Repetition can reinforce a message, sentence variety can maintain interest, understatement can downplay opposing views, and overstatement can emphasize a perspective. Ultimately, a combination of these techniques can effectively persuade an audience to adopt a certain viewpoint.