Business sentences about presentation. His presentations are usually about marketing strategies and advertising campaings. Firstly, it's important to introduce itself. Secondly, say about main points. Then make a conclusion and finnaly a summary. A good presentation is when person knows whatthey are talking about. They are good prepared, self-confident, can easy explain every details and attract the audiance. Slides are not always necessary but I think it's a good idea to show them. Some people are visualizers and we can reach them to show slides. It's sometimes easier to show some figures on the graps. It's hard to keep audience's attention. It's important to look at people,to keep contact with them. It's also essential to talk in a simple way. If we know the topic, we should be worry about difficult questions.