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o the principles of training communicators of all kinds, especially orators for debate, in classical Greece and Rome. Therefore, it was also called “the art of persuasion” by Aristotle. Rhetoric was then taught to their citizens and was regarded as an important educational process. Every educated person was assumed to be able to use rhetoric as a skill. People with excellent performance of public speaking were usually revered. Among the classical orators in that era, Demosthenes (384-322B.C.) and Cicero (106-43B.C.) gained the greatest reputations.
 Then, why is rhetoric used? Rhetoric in speech aims at increasing vividness of language. Vivid language can arouse the audience’s interest, hold their attention and enhance their comprehension with imagery and leave the audience with fresh impression.
 2.3 Classification of Rhetoric
 So, we know that rhetoric is a kind of art which deals with how to manipulate language effectively.
 The scope of rhetoric is very large, so does the concerned thing that it leads to. There is a saying: There are a thousand Hamlets in a thousand people's eyes. So different people have different opinions of rhetoric. They can definite rhetoric from different angles, but they all reflect the essence of rhetoric. We know from those definitions above: rhetoric is the art, which takes advantage of language so effectively that it can express the meanings and feelings vividly.
 It is difficult to classify something. Take the classification of rhetoric for example. There are a wide variety of rhetoric uses. Here, we mainly see two different types of rhetoric in larger sense, linguistic Rhetorical use and Non-linguistic Rhetorical use.
 Linguistic rhetoric is the rhetoric of linguistic in traditional meaning, including: tropes, Euphemism, hyperbole, understatement, pun, allusion, alliteration, repetition, parallelism, antithesis and so on. And non-linguistic rhetoric is something out of traditional meanings, but they still have the same function as the rhetoric of linguistic, that is to make words more vivid, decorate sentences more beautiful, and let your speeches more expressive and attractive. In larger sense, it contained a lot, for example, control of rhythm, decorating of clothes, personal charm, body language, gestures.
 
 Ⅲ. Non-linguistic Rhetorical Analysis in Obama’s Speech
 Throughout the history, oration is full of humor and wit. By reading exquisite speeches, we could hear Churchill calling on the people to fight Hitler’s invasion, and we could feel the solicitude to humanity at Kennedy Inaugural Address, and we could see the foot steps of humankind from bravery to sense and freedom at last. I will analyze non-linguistic rhetoric of Obama’s speeches through examples of well known political speeches in three different aspects: Obamacharm; Obamanism; technical rhetoric in his speeches.
 3.1 Obamacharm
 In modern society, the blacks play a more and more important role, they contribute to the American history in every aspect, and there are a lot outstanding blacks, such as Condoleezza Rice, Michael Jordan, and Toni Morrison. Now, American president Obama is an outstanding one.
A lot of movies, mostly American movies, have such a scene: Aiming to set up a new and ideal life in the United States, people of various colors who came all the way from Europe and oth本论文由英语论文网提供整理，提供论文代写，英语论文代写，代写论文，代写英语论文，代写留学生论文，代写英文论文，留学生论文代写相关核心关键词搜索。