Answer: A dynamic character
"a dynamic character also undergoes changes throughout the narrative, due to conflicts he encounters on his journey. A dynamic character faces trials and tribulations, and takes time to learn from his encounters, his experiences, and his mistakes, as well as from other characters."
- From <u><em>https://literarydevices.net/dynamic-character</em></u>
Knowledge that has been lost
This is called word analysis.
When you are trying to figure out what a particular word means, you are obviously going to analyze it. Maybe you know what its root means, or you can deduce the meaning based on its prefixes and suffixes. You will probably take into consideration the context and neighboring words in the sentence as well in order to analyze it.
Answer: comedy
Explanation: anything with a happy ending is a comedy