The document provides information on developing a webpage including designing a wireframe, guidelines for webpage design, creating an HTML skeleton, important HTML terms, applying a background image, and adding a line break. It discusses drawing a wireframe by hand or using software, using web safe colors and providing navigation. It provides an example of HTML code to add a background image and CSS to set a no-repeat background image. The <br> tag is described as inserting a single line break with no closing tag.