Final answer:
The main idea of an excerpt is the author's central message, which is shaped by the story's conflict, themes, and character development. Analyzing language use and character portrayal offers insights into this main idea. The theme and narrative structure are critical components for understanding an excerpt from a literary piece.
Step-by-step explanation:
The main idea of an excerpt in a story is the central thought or message that the author intends to convey. This can be analyzed by considering what the story is about, such as the themes of love, jealousy, gain, or loss, and how the conflict shapes the purpose and theme. For example, if the excerpt deals with a character like Mark Twain running a crossing, the main idea might relate to self-doubt under pressure, a theme that could be further explored through the character's actions and the conflicts arising in the narrative.
To understand the main idea, one should also look at language use and other elements of storytelling. An author may use specific language to emphasize a main point, as in the example where Evans uses "as a main point" to underscore a character's belief in something like the voucher system. Additionally, understanding the characters through their dialogue, physical appearance, thoughts, feelings, and interactions can give further insight into the main idea.
The theme and the way it's developed through the role of trickster or other rhetorical devices can significantly impact the reading audience. The development of the story's main idea or theme can be identified by reviewing the narrative structure, the lessons or messages about life, and the author's intentional emphasis through language.