Planned use of language has a major impact on how your speech is received by the audience. Saying the right words at the right time, and in the right way, can achieve a specific impact. Use language to achieve impact. Though there are hundreds of figures of speech, here we'll focus on 20 top examples. This speech is rated at the top of "Great American Speeches" on multiple media sources. Careful use of language has produced many powerful speeches over the years. In doing so, you might be able to use them yourself for creative ends. You'll probably remember many of these terms from your English classes. For example king has used key words like “freedom,” “we,” “our,” “nation,” “America” “justice” and “dream,” to highlight important themes he has tried to discuss in his speech. Powerful Literary Techniques for your Speech. oneHOWTO presents these types of figures of speech with examples from literature and cinema so that you can see how effective the use of language can be. Figurative language is often associated with literature and with poetry in particular. For instance, “I have a dream” is repeated in eight successive sentences. May 16, 2016 - Dom Barnard. To illustrate what makes this speech so effective, there is a visual analysis on video by Nancy Duarte. On this video, she illustrates the balanced "call and response" format that MLK used in this speech. Moreover, King has made the clever use of repetition of key theme words throughout the body of his speech. Many of the terms used to described a certain figure of speech originate in a poem, book or performance.