Informative : Keep an informative presentation brief and to the point . Stick to the facts and avoid complicated information.
Instructional : Your purpose in an instructional presentation is to give specific directions or orders. Your presentation will probably be a bit longer, because it has to cover your topic thoroughly.
Arousing : Your purpose in an arousing presentation is to make people think about a certain problem or situation.
Decision-making : Your purpose in a decision-making presentation is to move your audience to take you suggested action. A decision-making presentation presents ideas, suggestions, and arguments strong enough to persuade an audience to carry out your requests.
Persuasive : Your purpose in persuasive presentation is to convince your listeners to accept your proposal.