Introverts tend to have big thoughts and plans; however, if what is in the head cannot be said clearly and understandably to the audience, the message is lost. Communication is an important factor in public speaking. There is verbal and physical communication. The presenter must keep an eye on physical communication. At first the audience will be insightful in the speech, but if the speech is too long, uses big words, or is even just plain boring, the audience will lose interest. They may start to fidget or yawn. Therefore it is the speaker's job to keep an eye out and welcome if such notions occur. A happy audience will make a happy audience