This document discusses principles and best practices for effective presentations. It identifies the six key questions ("helpers") to consider when planning a presentation: who the audience is, what the topic is, why you are presenting, where it will take place, when, and how the information will be delivered. It also outlines the seven "Cs" of gaining credibility with an audience: credibility, context, content, clarity, channels, consistency, and considering the audience's capabilities. Finally, it lists four common methods for delivering presentations: extemporaneous, impromptu, using a manuscript, or memorizing the content.