Perspective is the way you see something or look at an issue. Sometimes, perspectives change and evolve over time. The more we learn about a topic, the more it can change the way we think about it. An example is that several years ago, smoking was common in our society. But over time, the damaging health effects of smoking became more known. Doctors and scientists studied the effects of smoking on individuals and determined that smoking was a dangerous activity.
He should focus on the main idea of what he is speaking about and have good details. He must have necessary words that will make the people better understand what he is talking about.
