What is typically found at the beginning of a paragraph to guide the reader?

A topic sentence serves as a crucial component at the beginning of a paragraph, guiding the reader by presenting the main idea or overall theme of that paragraph. It sets the tone for what is to follow and provides context for the supporting details that follow. This helps the reader to understand the direction of the paragraph and what to expect in terms of information.

In contrast, a summary statement is generally found at the end of a text, encapsulating the main points made throughout. Supporting details are typically found within the body of the paragraph, providing evidence or examples that reinforce the topic sentence. A conclusion statement is designed to wrap up an argument or idea, summarizing the information presented rather than introducing it. Therefore, the topic sentence is clearly the key element that establishes the focus and direction for the reader from the outset of the paragraph.