What is the meaning of Imagery?

The work of one who makes images or visible representation of objects.

Imitation work.

Images in general, or en masse.

Unreal show; imitation; appearance.

The work of the imagination or fancy; false ideas; imaginary phantasms.

Rhetorical decoration in writing or speaking; vivid descriptions presenting or suggesting images of sensible objects; figures in discourse.

Alternative form of ymagerie

Source: wiktionary.org