A paragraph, is usally a block of text, and always starts on a new line
The HTML <p> element defines a paragraph.
A paragraph always starts on a new line, and browsers automatically add some white space (a margin) before and after a paragraph. Some example paragraphs are shown below:
You can never be sure how exactly HTML will be displayed.
Large or small screens, and resized windows will create different results.
With HTML, you cannot change the display by adding extra spaces or extra lines in your HTML code.
The browser will automatically remove any extra spaces and lines when the page is displayed:
The <hr> tag defines a thematic break in an HTML page, and is most often displayed as a horizontal rule.
The <hr> element is used to seperate content (or define a change) in an HTML page:
The <hr> tag is an empty tag, which means that it has no end tags.
The HTML <br> element defines a line break.
Use <br> if you want a line break (a new line) without starting a new paragraph:
The <br> tag is an empty tag, which means that it has no end tags.
The HTML <pre> tag defines preformatted text.
The text inside a <pre> element is displayed in a fixed-width font (usually Courier), and it preserves both spaces and line breaks: