Imagery

“Ode on a Grecian Urn” by John Keats is very complex stylistically, as the poet resorts to numerous stylistic elements.

Anaphora

Repetition is one of the most employed stylistic devices in the poem. A particular type of repetition is anaphora, in which the same word or expression appears at the beginning of consecutive lines:

“Thou still unravish'd bride of quietness,
Thou foster-child of silence and slow time” (ll. 1-2)

Apostrophe

By apostrophe, we understand a direct address to someone or something that cannot answer back. The whole poem is, in fact, an apostrophe addressed to the urn.

However, according to most interpretations, the urn does answer back eventually, at the end of the poem. But, until then the speaker appears to be calling the urn and asking it rhetorical questions without an answer:  

“What leaf-fring'd legend haunts about thy shape
Of deities or mortals, or of both,
In Tempe or the da...