The collection of images in a work is called

a) symbol

b) metaphor

c) imagery

  C) Imagery.

Explanation:

  It is the use of figurative language to represent objects, actions, and ideas in such a way that it appeals to physical senses.

  A symbol is a mark, word or sign that indicates an idea, object or relationship. While a metaphor is a figure of speech that makes an implicit comparison between two things unrelated.

  The word imagery is associated with mental pictures and needs the aid of the figure of speech such as; metaphor, simile, personification.

  I hope this answer helps you.