What are the functions of an effective topic sentence?

[alexphilips]

A topic sentence has several important functions: it substantiates or supports an essay's thesis statement; it unifies the content of a paragraph and directs the order of the sentences; and it advises the reader of the subject to be discussed and how the paragraph will discuss it.A essay writing reviews statement serves as your paper's guiding idea, alerting readers to the main points of your paper and the direction it will take. A thesis restatement, which comes in the paper's conclusion, is the thesis's kindred spirit, though not its identical twin.