What does the topic of a paragraph convey to the reader?

The topic of a paragraph serves to inform the reader about the primary subject or focus that will be discussed within that specific section. It acts as a guiding statement that outlines what information or ideas will be elaborated on, helping the reader anticipate the content that follows. By presenting the central theme or main idea, the topic ensures that readers can comprehend the main point being conveyed and understand how it fits into the larger context of the overall piece. This clarity allows for better processing and retention of the information provided in the paragraph.