This PowerPoint contains some audio, which can be easily removed. It's best to listen, as one or two notes and audio clips might be specific to a course.
I used this lecture for the first week of composition I and to review at the start of composition II. It details the Four Ps of writing: Purpose, People, Process, and Parts. As these are the foundation of composition, this lays the groundwork for the course and allows students to bring what they know about writing into an overview of the course.