What technique most effectively draws attention to key points in an advertisement?

One of the most effective techniques for drawing attention to key points in an advertisement is the use of contrast, such as bold typography or vibrant colors, to highlight important information. Additionally, incorporating visual elements like images or icons that relate to the message can create a stronger impact. Utilizing concise, compelling headlines and a clear call to action also helps to engage the viewer and guide their focus. Overall, a combination of these elements can enhance the ad's effectiveness in conveying its main points.