When a story is written in first person point of view, the information the reader receives is seen only through the eyes of the narrator. Our perceptions are based on those of the speaker, so our understanding of the characters, conflict and plot development are based on what we learn from the narrator.
#1- CD's #2- Because they can see what their personality is. Or what kind of person you are that would fit the role. #3- I don't know what that word is... I hope I helped! ;)
