1. From Aristotle’s Poetics
TRAGEDY
From Aristotle’s Poetics

2. Tragedy:
An imitation of a serious action, which will arouse pity and fear in the viewer

3. Tragic hero
A character, usually of high or noble birth, neither totally good nor totally evil, whose downfall is brought about by some weakness or error in judgment.

4. Hamartia
The tragic flaw, weakness of character or error in judgment, which causes the downfall of the hero.

5. Hubris:
A specific tragic flaw that demonstrates arrogance or overweening pride which causes the hero’s transgression against the gods; usually the tragic flaw

6. Anagnorosis:
A recognition or discovery on the part of the hero; change from ignorance to knowledge

7. The reversal of fortune
Peripeteia
The reversal of fortune  

8. The tragic hero’s fate that cannot be escaped
Nemesis:
The tragic hero’s fate that cannot be escaped

9. Catharsis:
purgation of emotions of pity and fear, which leaves the viewer both relieved and elated

10. Pathos:
The identification with the tragic hero; empathy (pity and fear) that is purged during catharsis