The answer is number 1
concept is a beautiful way of widening your knowledge about a certain topic that you want to know by constructing concept maps, brochures, diagrams and charts ant etc.
The answer is Allusion due to the fact that the sound that h makes is repeated throughout the sentence.
This quote means that whoever wrote this quote thinks that people who are dead (which is what he means by inhabitants of the deep) are a lot more happy than him/her.