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Comparatio in classical rhetoric is strategy that uses comparison to persuade people. Comparatio relies upon people's knowledge or beliefs about a phenomenon, and then discursively "links" that phenomenon to a different phenomenon about which the speaker/writer wishes to make a claim.
For example, if someone wanted to persuade an audience of the merit of putting in a new freeway system, they could use comparatio as a rhetorical strategy. They might compare the new freeway system to a "river of life flowing through our community" or they could call it a "path to commercial vibrance."
Comparisons can also be made to phenomena about which an audience could be expected to have negative feelings. For example, if one were opposed to the new freeway because of the environmental damage it would do to waterfowl nesting areas, they might compare the new freeway to "a corridor of death for our bird species."
The rhetorical success of comparatio hinges upon comparing your claim to a phenomenon that is:
It would not, for example, work well to call the freeway a "ham sandwich lodged in the throat of the community." The freeway seems more logically related to the throat (a passageway or throughway) than an obstacle in that passageway.
A metaphor is a figure of speech that, for rhetorical effect, directly refers to one thing by mentioning another. It may provide clarity or identify hidden similarities between two different ideas. Metaphors are usually meant to create a likeness or an analogy.
Persuasion or persuasion arts is an umbrella term for influence. Persuasion can influence a person's beliefs, attitudes, intentions, motivations, or behaviours.
Public speaking, also called oratory, is the act or skill of delivering speeches on a subject before a live audience. Public speaking has played an important cultural role in human history.
Rhetoric is the art of persuasion. It is one of the three ancient arts of discourse (trivium) along with grammar and logic/dialectic. As an academic discipline within the humanities, rhetoric aims to study the techniques that speakers or writers use to inform, persuade, and motivate their audiences. Rhetoric also provides heuristics for understanding, discovering, and developing arguments for particular situations.
Genre is any style or form of communication in any mode with socially agreed-upon conventions developed over time. In popular usage, it normally describes a category of literature, music, or other forms of art or entertainment, based on some set of stylistic criteria. Often, works fit into multiple genres by way of borrowing and recombining these conventions. Stand-alone texts, works, or pieces of communication may have individual styles, but genres are amalgams of these texts based on agreed-upon or socially inferred conventions. Some genres may have rigid, strictly adhered-to guidelines, while others may show great flexibility.
A sophist was a teacher in ancient Greece in the fifth and fourth centuries BCE. Sophists specialized in one or more subject areas, such as philosophy, rhetoric, music, athletics and mathematics. They taught arete, "virtue" or "excellence", predominantly to young statesmen and nobility.
Gorgias was an ancient Greek sophist, pre-Socratic philosopher, and rhetorician who was a native of Leontinoi in Sicily. Along with Protagoras, he forms the first generation of Sophists. Several doxographers report that he was a pupil of Empedocles, although he would only have been a few years younger. W. K. C. Guthrie writes that "Like other Sophists, he was an itinerant that practiced in various cities and giving public exhibitions of his skill at the great pan-Hellenic centers of Olympia and Delphi, and charged fees for his instruction and performances. A special feature of his displays was to ask miscellaneous questions from the audience and give impromptu replies." He has been called "Gorgias the Nihilist" although the degree to which this epithet adequately describes his philosophy is controversial.
In rhetoric, a rhetorical device, persuasive device, or stylistic device is a technique that an author or speaker uses to convey to the listener or reader a meaning with the goal of persuading them towards considering a topic from a perspective, using language designed to encourage or provoke an emotional display of a given perspective or action. They seek to make a position or argument more compelling than it would otherwise be.
Kairos is an ancient Greek word meaning 'the right or critical moment'. In modern Greek, kairos also means 'weather' or 'time'.
Rhetorical criticism analyzes the symbolic artifacts of discourse—the words, phrases, images, gestures, performances, texts, films, etc. that people use to communicate. Rhetorical analysis shows how the artifacts work, how well they work, and how the artifacts, as discourse, inform and instruct, entertain and arouse, and convince and persuade the audience; as such, discourse includes the possibility of morally improving the reader, the viewer, and the listener. Rhetorical criticism studies and analyzes the purpose of the words, sights, and sounds that are the symbolic artifacts used for communications among people.
Pathos appeals to the emotions and ideals of the audience and elicits feelings that already reside in them. Pathos is a term used most often in rhetoric, as well as in literature, film and other narrative art.
Inventio, one of the five canons of rhetoric, is the method used for the discovery of arguments in Western rhetoric and comes from the Latin word, meaning "invention" or "discovery". Inventio is the central, indispensable canon of rhetoric, and traditionally means a systematic search for arguments.
The term composition as it refers to writing, can describe authors' decisions about, processes for designing, and sometimes the final product of, a composed linguistic work. In original use, it tended to describe practices concerning the development of oratorical performances, and eventually essays, narratives, or genres of imaginative literature, but since the mid-20th century emergence of the field of composition studies, its use has broadened to apply to any composed work: print or digital, alphanumeric or multimodal. As such, the composition of linguistic works goes beyond the exclusivity of written and oral documents to visual and digital arenas.
Owing to its origin in ancient Greece and Rome, English rhetorical theory frequently employs Greek and Latin words as terms of art. This page explains commonly used rhetorical terms in alphabetical order. The brief definitions here are intended to serve as a quick reference rather than an in-depth discussion. For more information, click the terms.
Rhetoric of science is a body of scholarly literature exploring the notion that the practice of science is a rhetorical activity. It emerged after a number of similarly oriented topics of research and discussion during the late 20th century, including the sociology of scientific knowledge, history of science, and philosophy of science, but it is practiced most typically by rhetoricians in academic departments of English, speech, and communication.
The rhetorical situation is an event that consists of an issue, an audience, and a set of constraints. A rhetorical situation arises from a given context or exigence. An article by Lloyd Bitzer introduced the model of the rhetorical situation in 1968, which was later challenged and modified by Richard E. Vatz (1973) and Scott Consigny (1974). More recent scholarship has further redefined the model to include more expansive views of rhetorical operations and ecologies.
Bdelygmia, deriving from a Greek word meaning "filth" or "nastiness", is a technique used in rhetoric to express hatred of a person, word or action through a series of criticisms. Bdelygmia often appears as an "abusive description of a character" or "by strong and inappropriate critique". It is synonymous with abominatio. It is believed that since common people do not belong to major decision-making groups, they cannot easily be swayed to feel a certain way. Violence in rhetoric, according to Lynette Hunter, arose because of this notion. It has become the dominant form of commentary on social media sites and is often described as "verbal violence" because of its hateful nature.
Rhetorical circulation is a concept referring to the ways that texts and discourses move through time and space. The concept seems to have been applied to texts sometime in the mid-1800s, and it is considered, by most scholars, to be either subordinate to or synonymous with the canon of rhetorical delivery, or pronuntiatio. It is something like newspaper circulation and magazine circulation in that it can involve print media, but it is not limited to these. In fact, any kind of media can circulate. Books can be loaned; Internet memes can be shared; speeches can be overheard; YouTube videos can be embedded in web pages.
The rhetoric of health and medicine is an academic discipline concerning language and symbols in health and medicine. Rhetoric most commonly refers to the persuasive element in human interactions and is often best studied in the specific situations in which it occurs. As a subfield of rhetoric, medical rhetoric specifically analyzes and evaluates the structure, delivery, and intention of communications messages in medicine- and health-related contexts. Primary topics of focus includes patient-physician communication, health literacy, language that constructs disease knowledge, and pharmaceutical advertising. The general research areas are described below. Medical rhetoric is a more focused subfield of the rhetoric of science.
Procedural rhetoric or simulation rhetoric is a rhetorical concept that explains how people learn through the authorship of rules and processes. The theory argues that games can make strong claims about how the world works—not simply through words or visuals but through the processes they embody and models they construct. The term was first coined by Ian Bogost in his 2007 book, Persuasive Games: The Expressive Power of Videogames.