This document appears to be a presentation on public speaking given by Dr. Afrianto at the English Department of FKIP Riau University. It discusses successful public speakers, the similarities and differences between public speaking and conversation, overcoming stage fright, boosting confidence, using critical thinking skills, cultural diversity considerations, and the process of speech communication. The presentation provides tips on organizing ideas logically, tailoring messages for different audiences, telling impactful stories, adapting based on listener feedback, and more.