The purpose of imagery in poetry is to help get the poet's message across in language that is strong, vivid and very visual. ... Imagery helps to create a series of visualizations of one's mind while they are reading. This helps to capture the essence of meaning in writing and catapult the relevancy of the author.
The correct asnwer is A) stinginess
because the actual definition is extreme unwillingness to spend money or use resources.
Regardless of the choices, I am going to have to say that the name of the plot structure that allows authors to "come late" to their own story is the Latin name for "into the middle of things" -> "in media res." I hope this helps! :P