study guide test #11. What are the canons of rhetoric, and how do they function?2. Define and explain the elements of communication.3. What is the difference between a general speech purpose and a specific speech purpose?4. When does public speaking anxiety occur in the speechmaking process?5. What are the types of general speech purposes?6. What techniques can be used to narrow a speech topic?7. What are the functions of an introduction?8. What are the functions of a conclusion?9. List the 4 ways you can communicate information in an informative speech.10.How can you evaluate whether a source is appropriate or not?11.What things should you say in your speech when citing a source?12.What are common guidelines for using visual aids?