presentation

thumb|A speaker giving a presentation using a projector.

A presentation conveys information from a speaker to an audience. Presentations are typically demonstrations, introduction, lecture, or speech meant to inform, persuade, inspire, motivate, build goodwill, or present a new idea/product. Presentations usually require preparation, organization, event planning, writing, use of visual aids, dealing with stress, and answering questions. "The key elements of a presentation consists of presenter, audience, message, reaction and method to deliver speech for organizational success in an effective manner."