Sorry there is not enough info:(
I believe it is:
adjective phrase=of great price
noun modified=pearl.
Answer:
The reason behind this imagery being more powerful is that it provides an emphasis in the form of subjective description, interpretation, and comparison to express an idea.
Explanation:
Imagery is a stylistic device to develop a description based on personal perception using objects of reference to represent the one the author talks about to make an emphasis on its appearance. It is a very good instrument to profound in the description because it allows us to establish comparisons, taking as reference objects and events that are not connected to the initial idea.
