Answer:
Conflict
Step-by-step explanation:
The conflict is a necessary element of a literary work as it's the most important when it comes to the development of the work's theme. It represents a struggle between two opposing forces, usually a protagonist and an antagonist. The situation the conflict is centered around is connected to the main theme, and the rest of the themes usually develop from it.
The beginning of a text introduces us to the characters, their backstories, and the setting of the story.
A summary is a shortened version of a text. It always contains the main idea.
The topic of a text is the matter discussed within it.