Infer the meaning of the word Expound based on the context clues provided in the paragraphs.
Paragraph 1 (Character Reaction): When questioned about her theory, she launched into a long, intricate explanation that clarified every step.
Paragraph 2 (Cause and Effect): Because the author described the historical context extensively, readers understood the symbolism.
Paragraph 3 (Contrast): While others offered brief comments, he unpacked the subject slowly and thoroughly.