Paragraphs serve as signposts—pointers that help guide readers through a piece of writing. A look through a popular magazine will show paragraphs working this way: the first paragraph of an article almost always aims to get our attention and to persuade us to read on, and subsequent ones often indicate a new point or a shift in focus or tone.
Put most simply, a paragraph is a group of sentences or a single sentence set off as a unit. All the sentences in a paragraph usually revolve around one main idea.
AT A GLANCE