fall of man: (Judeo-Christian mythology) when Adam and Eve ate of the fruit of the tree of knowledge of good and evil in the Garden of Eden, God punished them by driving them out of the Garden of Eden and into the world where they would be subject to sickness and pain and eventual death
landmark: an event marking a unique or important historical change of course or one on which important developments depend
contraction: a word formed from two or more words by omitting or combining some sounds