Metaphor

In language, a metaphor is a rhetorical trope defined as a direct comparison between two seemingly unrelated subjects. Typically, a first object is described as being or having the properties of a second object. In this way, the first object can be economically described because implicit and explicit attributes from the second object can be used to fill in the description of the first. Some (particularly in cognitive linguistics) see metaphor as a basic cognitive function, while others prefer the term analogy for this concept. However, metaphor is not always used for practical description and understanding; sometimes it is used for purely aesthetic reasons. Metaphors are commonly confused with similes, which use the words "like" or "as."

Parts of a metaphor

A metaphor, according to I. A. Richards in The Philosophy of Rhetoric (1936), consists of two parts: the tenor and vehicle. The tenor is the subject to which attributes are ascribed. The vehicle is the subject from which the attributes are derived.

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:All the world's a stage,

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:And all the men and women merely players

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:They have their exits and their entrances; ? (William Shakespeare, As You Like It, 2/7)

Related Topics:
William Shakespeare - As You Like It

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This well known quote is a good example of a metaphor. In this example, "the world" is compared to a stage, the aim being to describe the world by taking well-known attributes from the stage. In this case, the world is the tenor and the stage is the vehicle. "Men and women" are a secondary tenor and "players" is the vehicle for this secondary tenor.

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The metaphor is sometimes further analysed in terms of the ground and the tension. The ground consists of the similarities between the tenor and the vehicle. The tension of the metaphor consists of the dissimilarities between the tenor and the vehicle. In the above example, the ground begins to be elucidated from the third line: "They all have their exits and entrances". In the play, Shakespeare continues this metaphor for another twenty lines beyond what is shown here - making it a good example of an extended metaphor.

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The corresponding terms to 'tenor' and 'vehicle' in George Lakoff's terminology are target and source. In this nomenclature, metaphors are named using the convention "target IS source", with the word "is" always capitalized; in this notation, the metaphor discussed above would be called "life IS theater".

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