Sonnet exclusively in [the] line count)". Paul Muldoon often experiments with 14 lines and sonnet rhymes, though without regular sonnet meter. The advent of the New Formalism movement in the United States has also contributed to contemporary interest in the sonnet. This includes the invention of the "word sonnet", which are fourteen line poems, with one word per line. Frequently allusive and imagistic, they can also be irreverent and playful. The Canadian poet Seymour Mayne published a few collections of word sonnets, and is one of the chief innovators of the form. Contemporary word sonnets combine a variation of styles often
Poetry calligraphy. These basic units of poetic form are often combined into larger structures, called "poetic forms" or poetic modes (see following section), as in the sonnet or haiku. Poetry is often separated into lines on a page. These lines may be based on the number of metrical feet, or may emphasize a rhyming pattern at the ends of lines. Lines may serve other functions, particularly where the poem is not written in a formal metrical pattern. Lines can separate, compare or contrast thoughts expressed in different units, or can highlight a change in tone. See the article on line breaks