How to Code Paragraphs for HTML Web Pages
When you’re building pages in HTML5, you will use familiar paragraph container tags. The container tags for paragraphs are <p> and </p>, and you use them to separate text into paragraphs. Each paragraph must have its own set of paragraph tags.
As you look at the HTML of different websites, you might notice that sometimes <p> tags aren’t used. Instead, you’ll see <br> (break) tags instead — sometimes several of them — to create the visual effect of having paragraphs.
This is an incorrect use of the break tag and should be avoided. A break tag should be used only when you need a hard break, like in a very long bullet. The reason why using multiple <br> tags is incorrect is that when you apply style sheets, you can get inconsistencies in your design because the style sheet will apply attributes to things like paragraphs.
The <br> tags will not get the same attributes unless you clutter your CSS with code to make them the same. Also, coding your site properly will make your content more compatible with other technologies, such as screen readers and handheld devices.

Web Design & Development Glossary
AJAX
asynchronous JavaScript and XML. A technique used in web page development.

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API
application programming interface. A set of rules programs use to communicate with each other.

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color stop
A special element that indicates a color to be added to a gradient.

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FTP
File Transfer Protocol. A network protocol useful for transferring files in a client-server relationship.

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HTML
HyperText Markup Language. The predominant language for building web pages.

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HTTP
HyperText Transfer Protocol. The primary networking language for the Internet.

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PHP
PHP Hypertext Processor. A scripting language that works well within HTML.

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socket
A technology that allows remote computers to maintain a persistent connection in order to communicate with each other.

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sprite
An graphic object on a web page that will be manipulated in real time.

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SQL
Structured Query Language. A programming language useful in managing relational databases.

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stateless protocol
An Internet procedure that completely breaks the connection between the client and the server after a transaction, meaning that the next transaction will require an entirely new connection.

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Telnet
A network protocol useful in interactive, text-oriented communications.

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W3C
World Wide Web Consortium. The organization that sets international standards for the World Wide Web.