Conceit - AbsoluteAstronomy.com

In literature

Literature

Literature is the art of written works, and is not bound to published sources...

Extended metaphor

An extended metaphor, also called a conceit, is a metaphor that continues into the sentences that follow. It is often developed at great length, occurring frequently in schools coursework or throughout a work, and are especially effective in poems and fiction.Symbolism is often a great tool to use...

with a complex logic

Logic

In philosophy, Logic is the formal systematic study of the principles of valid inference and correct reasoning. Logic is used in most intellectual activities, but is studied primarily in the disciplines of philosophy, mathematics, semantics, and computer science...

that governs a poetic passage or entire poem. By juxtaposing, usurping and manipulating images and ideas in surprising ways, a conceit invites the reader into a more sophisticated understanding of an object of comparison. Extended conceits in English are part of the poetic idiom of Mannerism

Mannerism

Mannerism is a period of European art that emerged from the later years of the Italian High Renaissance around 1520. It lasted until about 1580 in Italy, when a more Baroque style began to replace it, but Northern Mannerism continued into the early 17th century throughout much of Europe...

, during the later sixteenth and early seventeenth century.
In English literature

English literature

English literature is the literature written in the English language, including literature composed in English by writers not necessarily from England; for example, Robert Burns was Scottish, James Joyce was Irish, Joseph Conrad was Polish, Dylan Thomas was Welsh, Edgar Allan Poe was American, J....

the term is generally associated with the 17th century metaphysical poets

Metaphysical poets

The metaphysical poets is a term coined by the poet and critic Samuel Johnson to describe a loose group of British lyric poets of the 17th century, who shared an interest in metaphysical concerns and a common way of investigating them, and whose work was characterized by inventiveness of metaphor...

, an extension of contemporary usage.