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Glossary of Technical Terms      

Access (Microsoft Access)
A database system developed by Microsoft. Part of Microsoft Office. Mostly used on low traffic web sites running on the Windows platform.

A programming interface (API) that allows web browsers to download and execute Windows programs. (See also Plug-In)

A development technique used to create interactive web applications in order to make web pages feel more responsive. It exchanges small amounts of data with the server behind the scenes, so that the entire web page does not have to reload each time the user requests a change. It increases web pages’ interactivity, speed, functionality, and usability. It’s based on JavaScript and XML.

In web terms: The starting point or ending point of a hyperlink.

ANSI (American National Standards Institute)
An organization that creates standards for the computer industry. Responsible for the ANSI C standard.

A international standard for the C programming language.

ADO (ActiveX Data Object)
A Microsoft technology that provides data access to any kind of data store.

ADSL (Asymmetric Digital Subscriber Line)
A special type of DSL line where the upload speed is different from the download speed.

An open source web browser editor from W3C, used to push leading-edge ideas in browser design.

A set of pictures simulating movement when played in series.

Anti Virus Program
A computer program made to discover and destroy all types of computer viruses.

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

See web applet.

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. (See also Active-X and Plug-In)

ASCII (American Standard Code for Information Interchange)
A set of 128 alphanumeric and pecial control characters used for computer storing and printing of text. Used by HTML when transmitting data over the web.

ASF (Advanced Streaming Format)
A multimedia streaming format. Developed by Microsoft for Windows Media.

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

ASX (ASF Streaming Redirector)
An XML format for storing information about ASF files. Developed by Microsoft for Windows Media.

AVI (Audio Video Interleave)
File format for video files. Video compression technology developed by Microsoft.

Banner Ad
A (most often graphic) advertisement placed on a web page, which acts as a hyperlink to an advertiser's web site.

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

Bit (Binary Digit)
The smallest unit of data stored in a computer. A bit can have the value of 0 or 1. A computer uses 8 bits to store one text character.

BMP (Bitmap)
A format for storing images.

In web terms: A link to a particular web site, stored (bookmarked) by a web user for future use and easy access.

Term to describe a user's movement across the web, moving from page to page via hyperlinks, using a web browser. (See Web Browser).

See Web Browser.

Byte (Binary Term)
A computer storage unit containing 8 bits. Each byte can store one text character.

An advanced programming language used for programming advanced computer applications.

C++ (C Pluss Pluss)
The same as C with added object oriented functions.

C# (C Sharp)
A Microsoft version of C++ with added Java-like functions.

Case Sensitive
A term used to describe if it is of importance to use upper or lower case letters.

In web terms: A web browser or web server feature which stores copies of web pages on a computer's hard disk.

Cake PHP

A framework for PHP that provides a structured framework enabling PHP users at all levels to rapidly develop robust web applications, without any loss to flexibility.

An on-line text based communication between Internet users.

CGI (Common Gateway Interface)
A set of rules that describes how a CGI program communicates with a web server.

The folder (or directory) on a web server that stores CGI programs.

CGI Program
A small program that handles input and output from a web server. Often CGI programs are used for handling forms input or database queries.

A codec for computer video.

In web terms: A mouse click on a hyperlink element (text or picture) on a web page which takes a visitor to another web page.

Clickthrough Rate
The rate (in percent) the visitors click on a link (or advertisement) on a web site.

Codec (Compressor / Decompressor)
Common term for the technology used for compressing and decompressing data.

Communication Protocol
A standard (language and a set of rules) to allow computers to interact in a standard way. Examples are IP, FTP, and HTTP.

A method of reducing the size (compress) of web documents or graphics for faster delivery via the web.

Computer Virus
A computer program that can harm a computer by displaying messages, deleting files, or even destroy the computer's operating system.

Information from a web server, stored on your computer by your web browser. The purpose of a cookie is to provide information about you and the server for later use by the browser.

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.

Data stored in a computer in such a way that a computer program can easily retrieve and manipulate the data.

Database System
A computer program (like MS Access, Oracle, and MySQL) for manipulating data in a database.

A database system from IBM. Mostly for Unix and Solaris platforms.

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

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

Dial-up Connection
In web terms: A connection to Internet via telephone and modem.

Discussion Group
Se Newsgroup.

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:

Domain Name Server (DNS)
An internet server that translates domain names to IP addresses.

DOS (Disk Operating System)
A general disk based computer operating system (see OS). Originally developed by Microsoft for IBM personal computers. Often used as a shorthand for MS-DOS.

To transfer a file from a remote computer to a local computer. In web terms: to transfer a file from a web server to a web client. (see also Upload).

DSL (Digital Subscriber Line)
An Internet connection over regular telephone lines, but much faster. Speed may vary from 128 kilobit per second, up to 9 megabit per second.

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

E-mail (Electronic Mail)
Messages sent from one person to another via the Internet.

E-mail Server
See Mail Server.

To convert data from its original form to a form that can only be read by someone that can reverse the encryption. The purpose of encryption is to prevent unauthorized reading of the data.

See Web Server Error.

An extension of an institution's intranet, especially over the World Wide Web, enabling communication between the institution and people it deals with, often by providing limited access to its intranet.

Software that acts as a security filter that can restrict types of network communication. Most often used between a LAN and Internet.

A vector based multimedia format developed by Macromedia for use on the web.

See HTML Form.

In web terms: The same as Newsgroup.

Web development software for the Windows platform.

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

GIF (Graphics Interchange Format)
A compressed format for storing images developed by CompuServe. One of the most common image format on the Internet.

Same as Gigabyte. 10GB is ten gigabytes.

1024 megabytes. Commonly rounded down to one billion bytes.

Google Analytics
Google Analytics makes it easy to improve your results online. Write better ads, strengthen your marketing initiatives, and create higher-converting websites. Google Analytics is free to all advertisers, publishers, and site owners.

In web terms graphics describe pictures (opposite to text).

Graphic Printer
A printer that can display graphics.

Graphical Banner
See Banner Ad.

The number of times a web object (page or picture) has been viewed or downloaded. (See also Page Hits).

Home Page
The top-level (main) page of a web site. The default page displayed when you visit a web site.

See Web Host.

See Web Hosting.

See Hyperlink.


A platform-independent, Java-centric environment for developing, building, and deploying web-based enterprise applications online.

Trojan Horse
Computer program hidden in another computer program with the purpose of  destroying software or collecting information about the use of the computer.

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 Document
A document written in HTML.

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

HTML Editor
A software program for editing HTML pages. With an HTML editor you can add elements like lists, tables, layout, font size, and colors to a HTML document like using a word processor. An HTML editor will display the page being edited exactly the same way it will be displayed on the web (See WYSIWYG).

A form that passes user input back to the server.

The same as an HTML Documen

Code to identify the different parts of a document so that a web browser will know how to display it.
Graphic MonitorA display monitor that can display graphics.