What is assertion in literature?

In literature, an assertion is a confident and forceful statement that presents a claim or belief, often reflecting the author's perspective or argument. It serves to convey the writer's views on a particular subject, guiding the reader's understanding and interpretation of the text. Assertions are often supported by evidence, examples, or reasoning, making them integral to persuasive writing and critical analysis. They can also be a means of developing themes and character motivations within a narrative.