Based on the given excerpt above, I can say that the what the carp represents here are DEATH and INNOCENCE. Death here refers to how the twenty-pound carp was being treated and innocence refers to the teachers and boarding students who tasted the carp. This excerpt is actually from Yun Wang's "The Carp" and this lyric poem reflects his bad experiences from his father, such as imprisonment and torture.
It can always make you learn new things
It is the mood, character, quality, tone, atmosphere, of an area. U get to judge
The difference I see is exhibit(n) are items or objects and exhibition is an event in which the items are shown