Climax is a Greek word meaning "ladder" and refers to the most intense, exciting, or important point of something.
In literature, climax is the turning point of a narrative work, the moment of greatest tension.
The term "climax" also refers to:
1. The most intense point in the development of something
2. The orgasm in sexual activity
3. A rhetorical device of ascending importance
4. The final stage in ecological succession