Web Glossary Terms alphabetical shortlist (Some of Main Web Design Terminology)

AJAX (Asynchronous JavaScript and XML)
The “art” of using JavaScript and XML to create interactive web applications. With Ajax, web applications can exchange data with a web server in the background (asynchronously) and update parts of a web page without reloading the page.

Adobe Air
An Adobe Integrated Runtime (AIR) system that enables developers to use web technologies (HTML, JavaScript, Flash) to create desktop applications.

Android
A mobile phone operating system developed by Android Inc, later purchased by Google.

Apache
An open source web server. Mostly for Unix, Linux and Solaris platforms.

API (Application Programming Interface)
An interface for letting a program communicate with another program. In web terms: An interface for letting web browsers or web servers communicate with other programs.

ASP (Active Server Pages)
A Microsoft technology allowing the insertion of server executable scripts in web pages.

Bandwidth
A measure for the speed (amount of data) you can send through an Internet connection. The more bandwidth, the faster the connection.

Blog (Web Log)
A type of website (most often maintained by an individual) with a log of comments (most often personal) comments, meanings, descriptions of events, etc.

CGI (Common Gateway Interface)
A set of rules that describes how a CGI program communicates with a web server. CGI program is a small program that handles input and output from a web server. Often CGI programs are used for handling forms input or database queries.

ColdFusion
Web development software for most platforms (Linux, Unix, Solaris and Windows).

CSS (Cascading Style Sheets)
A W3C recommended language for defining style (such as font, size, color, spacing, etc.) for web documents.

DBA (Data Base Administrator)
The person (or the software) who administers a database. Typical task are: backup, maintenance and implementation.

DHTML (Dynamic HTML)
A term commonly to describe HTML content that can change dynamically.

DNS (Domain Name Service)
A computer program running on a web server, translating domain names into IP addresses.

DOM (Document Object Model)
A programming model for web page objects. (See HTML DOM and XML DOM)

Domain Name
The name that identifies a web site. (like: saedx.com)

DTD (Document Type Definition)
A set of rules (a language) for defining the legal building blocks of a web document like HTML or XML.

FTP (File Transfer Protocol)
One of the most common methods for sending files between two computers.

FTP Server
A web server you can logon to, and download files from (or upload files to). Anonymous FTP is a method for downloading files from an FTP server without using a logon account.

HTML (Hypertext Markup Language)
HTML is the language of the web. HTML is a set of tags that are used to define the content, layout and the formatting of the web document. Web browsers use the HTML tags to define how to display the text.

HTML DOM (HTML Document Object Model)
A programming interface for HTML documents.

HTTP (Hyper Text Transfer Protocol)
The standard set of rules for sending text files across the Internet. It requires an HTTP client program at one end, and an HTTP server program at the other end. HTTPS (Hyper Text Transfer Protocol Secure)
Same as HTTP but provides secure Internet communication using SSL.

JavaScript
The most popular scripting language on the internet, developed by Netscape.

JScript
Microsoft’s version of JavaScript.

JSP (Java Server Pages)
A Java based technology allowing the insertion of server executable scripts in web pages. Mostly used on Linux, Unix and Solaris platforms.

Meta Tags
Tags inserted into documents to describe the document.

MySQL
Free open source database software often used on the web.

Perl (Practical Extraction and Reporting Language)
A scripting language for web servers. Most often used on Unix servers.

PHP (PHP: Hypertext Preprocessor)
A technology allowing the insertion of server executable scripts in web pages. Mostly for Unix, Linux and Solaris platforms.

POP (Post Office Protocol)
A standard communication protocol for retrieving e-mails from an e-mail server.

Redirect
In web terms: The action when a web page automatically forwards (redirects) the user to another web page.

Search Engine
Computer program used to search and catalog (index) the millions of pages of available information on the web. Common search engines are Google and AltaVista.

SGML (Standard Generalized Markup Language)
An international standard for markup languages. The basis for HTML and XML.

SMTP (Simple Mail Transfer Protocol)
A standard communication protocol for sending e-mail messages between computers

SQL Server
A database system from Microsoft. Mostly used on high traffic web sites running on the Windows platform.

SSI (Server Side Include)
A type of HTML comment inserted into a web page to instruct the web server to generate dynamic content. The most common use is to include standard header or footer for the page.

SSL (Secure Socket Layer)
Software to secure and protect web site communication using encrypted transmission of data

SVG (Scalable Vector Graphics)
A W3C recommended language for defining graphics in XML.

TCP/IP (Transmission Control Protocol / Internet Protocol)
A collection of Internet communication protocols between two computers. The TCP protocol is responsible for an error free connection between two computers, while the IP protocol is responsible for the data packets sent over the network.

VBScript
A scripting language from Microsoft. VBScript is the default scripting language in ASP. Can also be used to program Internet Explorer.

W3C (World Wide Web Consortium)
The organization responsible for managing standards for the WWW.

WYSIWYG (What You See Is What You Get)
In Web terms: To display a web page being edited exactly the same way it will be displayed on the web.

XHTML (Extensible Hypertext Markup Language)
HTML reformulated as XML. Developed by W3C.

XML (Extensible Markup Language)
A simplified version of SGML especially designed for web documents, developed by the W3C.

Source:  http://www.w3schools.com/web/web_glossary.asp