Charley defends Willy as a victim of his profession. Instead, he wants away from the office and be outside. He is self-centered. He defined tragedy as a drama which concerns better than average people, for example heroes, kings or gods, who undergo a development from favourable fortune to misfortune and who speak in an elevated language.
It is easier for the Chinese public to understand the relationship between father and son because "One thing about the play that is very Chinese is the way Willy tries to make his sons successful. The fourth act, the falling action, follows the climax and usually presents the ways in which the hero is slowly overpowered and becomes increasingly helpless.
Willy, unlike his brother, is honest. But on the other hand his deep longing for success makes him feel obliged to encourage his son and to motivate him.
He wavers between going home to try to fulfill Willy's dream for him as a businessman or ignoring his father by going out West to be a farmhand where he feels happy. The classical tragedy consists of two climaxes, the first one is the encumbrance of the hero as a result of the tragic conflict in the classical tragedy it normally happens during the third actand the second climax is the resolution of the guilt normally at the end of a tragedy.
Ironically, what makes Willy feel like a successful salesman causes him to feel insecurities regarding his fatherhood and other aspects of his life as well. This third act, the act which interrupts everything else that is happening, is always referred to as the climax.
More important for an understanding of the form of "Death of a Salesman" is a certain familiarity with German expressionism -