Imagery

Definition: The things that happen in your mind that you are reading, like you imagine it in your mind.

Example: Let us go then, you and I,
When the evening is spread out against the sky
Like a patient etherised upon a table;
Let us go, through certain half-deserted streets,
The muttering retreats
Of restless nights in one-night cheap hotels
And sawdust restaurants with oyster-shells.

Significance: Imagery is one of the most important poetry elements ever because when you are reading a poem you have to understand the character and you have to think about it and imagine what does the character look like in the story.