Study your material good-good. Understand the topic good, so that it can be easy for you to explain it in your own words and make it simple.

Use short and simple sentences. Even though it not wrong to use long sentence, but it good to use short-short sentences to make your main point them clear.

Explain any word that people not know. Don’t use word them that the people not understand. If you use any word that the people not know, or other thing them that not common to them, you must explain it good.