According to Nancy Duarte's TedX Talk, every presentation should end with a call to action. The world must be described as a new bliss by showing the audience why they should adopt or accept your ideas. It is important because the presentation will be effective, impactful and well-remembered if it was ended in a poetic and dramatic way.
It would be an example of imagery, which is the figurative device that focuses on vivid details. Hope this helps! :)
Represents a safe, unique, personal spot.
