It includes a head and a body. Look up at the top for the title. The body is where the text, references to images, references to sounds and links all belong. An html file contains only text. The formatting of the text and the images and the links that appear when viewing the file using a browser do so because of the html tags.
Tags come in singles and in pairs.
To force a line break, use the single tag br. Examples of the use of paired tags are italics , bold , and underlining . The paired tags affect what is in-between. The p for paragraph tag forces a line break and may add a line skip. Several different tags can be used to change the size of text.