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Glossary of web terms

A B C D E F G H I J K L M

N O P Q R S T U V W X Y Z

If you'd like any other terms explained, or would like more information then please don't hesitate to ask! Email mogga@mogga.com

A
Address An address in a unique identifier assigned to a web page. The address is more commonly referred to as the URL (Uniformed Resource Locator).

Applet A multimedia application written or embedded in the Java language such as animation or sound, viewable only in a Java-enabled browser.

Archive Often compressed, archives are usually large files containing several smaller files. Commonly used archive file formats are ZIP, TAR, ARJ, LZH, UC2. Archive site Contains archived files of many kinds, available for users to download either by FTP or E-mail.

ARJ Allows the user to store one or more files in a compressed format in an archive file. This saves space both in the compression and in the saving of disk sector clusters. Particularly strong compressing databases, uncompressed graphics files, and large documents. Named after the creator, American programmer Robert Jung.

ASCII (American Standard Code for Information Interchange) a file containing only text characters: numbers, letters, and standard punctuation.

Attachments Multimedia files that are 'attached' to an E-mail; can be text, graphics, sound, video, spreadsheet, database, or even an entire application.

B

Backbone A central high-speed network established by a company or organisation for connecting independent sub-networks.

Bandwidth In simplistic terms, bandwidth is the amount of information travelling through a single channel at any one moment in time.Bandwidth is usally measured in bits-per-second.

Banners Banners are used as adverts - and there are many networks using them. It is possible to earn banner showings by joining a scheme and displaying other banners on your site, or they can be purchased.

Baud Rate Speed at which data travels through a modem, measured in bps (bits per second). Most modems today range from 2400 to over 50,000 bps.

BBS (Bulletin Board System) a computer system usually run by local users making files available for downloading and setting up electronic discussion forums.

Binary Binary data is a direct representation of the bits stored in RAM on a computer. Much more compact and accurate than ASCII.

Bit (Binary DigIT) the smallest unit of computerized data, comprising of either a 1 or 0. A combination of bits can indicate an alphabetic character, a numeric digit, or perform a signaling, switching or other function.

Body In E-mail terms, the part of the message containing the most textual content, sandwiched between the Header and the Signature.

Bookmark Virtual bookmarks work pretty much the same as the real ones. They record a URL or web page to enable you to refer back to at a later date.

bps (Bits Per Second) speed at which data transfer is measured.

Browser (Often called a 'Web Browser') allows the user to search the World Wide Web and other Internet facilities using a Graphical User Interface. Examples are Internet Explorer and Netscape.

Byte A unit of data, generally formed from 8 bits. Example: 01101010

C

CGI (Common Gateway Interface) an interface-creation scripting program that allows you to make WWW pages on the fly based on information from fill-in forms, checkboxes, text input etc.

Client In a Client-Server relationship, the client is a computer running programs or applications from the server, or accessing files from it.

Compress The act of discarding redundant or semi-redundant information from a file, thereby making it smaller.

Cookie A Cookie is a piece of software which records information about you. It holds this information until such time that the server requests it. For example, if you are browsing around a virtual shop, each time you place an item in your basket the information is stored by the cookie until you decide to buy and the server requests the purchase information.

Cybercafe A cafe or bar allowing customers to explore the World Wide Web whilst having a drink or snack, usually charged per half-hour of usage.

D

Dialup 'Dialup Access' or a 'Dialup Account' is when a modem is used to gain access to the Internet via a network. See Also: Modem

Domain Name Unique address identifying each site on the Internet, usually of two or more segments separated by full stops.

Domain Name Server Computers connected to the Internet whose job it is to keep track of the IP Addresses and Domain Names of other machines. When called upon, they take the ASCII Domain Name and convert it to the relevant numeric IP Address. See Also: IP Address

Domain Name System Allows users to relate to computers on the Internet by using textual addresses (eg. www.theplanet.net) for ease of use, rather than the IP Address system.

DOS (Disk Operating System) simple operating system developed by Microsoft, allows extensions by other programs.

Download When you transfer information off a remote machine connected to the Internet onto your local machine, you are downloading data.

E

Electronic mail or E-mail Method of communication whereby an electronic message is sent to a remote location and received by another user at a specific E-mail Address.

Emoticons These are the sideways smiles and frowns used in email to indicate emotions. E.g. :-) would be a smile and :-( would be a frown!

F

FAQ (Frequently Asked Question) Lists of Frequently Asked Questions (and their answers) covering all manner of topics can be found across the World Wide Web, allowing the user to search for a query that somebody has already found the answer to.

Filename extension Commonly a three or four-letter extension on the end of a file name designating the file type. There are hundreds in existence, and new ones frequently being invented. Examples are: .txt (text file), .gif (Graphics Interchange Format).

Firewall Secures a company or organisation's internal network from unauthorised external access (most commonly in the form of Internet hackers).

Flame An insulting or derogatory message usually sent via E-mail as punishment for breach of netiquette. There have been instances of 'Flame Wars', when other people join in the heated exchanges. In either case, not recommended. See Also: E-mail, Netiquette

Forms Certain Browsers support electronic fill-in forms. A form on a Web Page can be filled in by users all over the world, and the information sent electronically to the relevant domain site. See Also: CGI, Browser

Forum Part of a web page specifically for visitors to ask questions, or discuss topics.

Freeware Software allowed to be distributed free by the author, but often with certain conditions applying (ie. the software cannot be modified etc). See Also: Public Domain, Shareware

FTP (File Transfer Protocol) one of the main ways files are transferred across the Internet. An FTP Site is that which is provided by a company or organisation as a depository for all kinds of files which users may download. See Also: Download, Protocol FTPmail The process where E-mail is used to access FTP Sites. See Also: E-mail

G

Gateway The interface between two opposing protocols. By means of software and hardware a gateway allows connection between otherwise incompatible networks. See Also: Protocol

GIF (Graphics Interchange Format) developed by Compuserve, GIF is a platform-independent file format, used extensively throughout the Internet for graphics files. Compresses files using a 'lossless' method which ensures picture quality is not diminished. .gif Graphics Interchange Format (GIF) filename extension.

Gigabyte (GB) A thousand Megabytes. See Also: Megabyte

Gopher Internet Gopher is a distributed document search and retrieval system. It takes a request for information and then scans the Internet for it. The protocol and software follows a client-server model, and permits users on a heterogeneous mix of desktop systems to browse, search, and retrieve documents residing on multiple distributed server machines. See Also: Protocol

Guestbook Allows users and customers to leave comments about the site.

G

Gateway The interface between two opposing protocols. By means of software and hardware a gateway allows connection between otherwise incompatible networks. See Also: Protocol

GIF (Graphics Interchange Format) developed by Compuserve, GIF is a platform-independent file format, used extensively throughout the Internet for graphics files. Compresses files using a 'lossless' method which ensures picture quality is not diminished. .gif Graphics Interchange Format (GIF) filename extension.

Gigabyte (GB) A thousand Megabytes. See Also: Megabyte

Gopher Internet Gopher is a distributed document search and retrieval system. It takes a request for information and then scans the Internet for it. The protocol and software follows a client-server model, and permits users on a heterogeneous mix of desktop systems to browse, search, and retrieve documents residing on multiple distributed server machines. See Also: Protocol

Guestbook Allows users and customers to leave comments about the site.

H

Header In E-mail terms, this is the part of the message indicating who the sender is and some other brief details, such as the subject of the message. See Also: Attachments, Body, E-mail, Signature

hit As used in reference to the World Wide Web, "hit" means a single request from a web browser for a single item from a web server; thus in order for a web browser to display a page that contains 3 graphics, 4 "hits" would occur at the server: 1 for the HTML page, and one for each of the 3 graphics.

Home Page On the World Wide Web, this is the main navigation page owned by a company, organisation, University, individual, etc, from which hyperlinks are made to other pages on the site (or other sites). See Also: Hyperlink

Host You usually connect to a host computer whenever you use the Internet.

HTML (HyperText Markup Language) the tagging language used to format Web pages. Allows pictures and text to be combined to create Web documents, and the most important feature - hypertext - making it possible for links to be made between different documents. See Also: Gif, Jpeg, Tag, World Wide Web

HTTP (HyperText Transport Protocol) used on the World Wide Web since 1990, this application-level protocol is essential for the distribution of information throughout the Web.

Hyperlink In World Wide Web pages, hyperlinks are highlighted text or images which, when selected (usually by clicking the mouse button), follow a link to another page. Hyperlinks can also be used to automatically download other files as well as sounds and video clips. See Also: Download

I

Image Map An image with clickable 'hot spots', allowing several hyperlinks from a single image file. For example, the image could be of a country, split into different areas, each of which could be clickable and hyperlink to a larger view of that specific area. See Also: Hyperlink

Interactive Allowing users to interact with the site - whether taking part in discussions in forums, or by signing a guestbook, or taking part in a vote.

internet When spelt with a lower case i, it is a group of two or more networks connected together.
Internet With a capital I, it is the collection of all the interconnected networks in the world, and is often simply referred to as the 'net'.

IP (Internet Protocol) the main protocol used on the Internet. See Also: Protocol IP Address Unique 4-number code designated to every Domain on the Internet. Each Domain also has a Domain Name as well as an IP address to make site addresses easier to remember. IRC (Internet Relay Chat) real-time world-wide electronic chat program allowing the user to communicate with other people across the globe.

ISDN (Integrated Services Digital Network) Digital telephone line allowing faster data transfer rates than existing analog lines. Allows simultaneous transfer of voice, data and video information.

ISP (Internet Service Provider) A Company or Organisation, dedicated to providing businesses or home users access to the Internet, usually for a fee

J

Jargon Like all other specialised subjects, the Internet has its own jargon; a somewhat cryptic language describing technical details. Some jargon is explained in this glossary.

Java is a Web programming language supporting online multimedia effects, such as simple cartoon-like animation, background music and continuously updated information in Web pages. See Also: Applet.

JPEG (Joint Photographic Experts Group) a standard of image compression developed especially for use on the Internet. Most photographic images can be highly compressed using this method, without greatly diminishing image quality. .jpg or .jpeg Filename extensions given to JPEG graphics files.

K

Kilobyte 1024 bytes, usually rounded down to a thousand bytes for simplicity.

L

LAN (Local Area Network) see below.

Leased Line A rented, high-speed phone link for private use, available 24 hours a day.

Link Link puts the hyper in hyperlink. Links are the connections between hypertext pages. Every time you click on highlighted text to go to another page you're following a link.

Local Area Network Usually referred to as a LAN, this describes a group of computers commonly in the same building, connected by network cables.

Login When a user tries to gain access to the Internet through their host computer, they must Login with their password and User ID.

M

Mailserver The computer (and software running on it) that allows sorting and retrieval of E-mail messages. See Also: E-mail

Megabyte (MB) The unit of measurement for a thousand Kilobytes; a million bytes. See Also: Gigabyte, Kilobyte

MIME (Multipurpose Internet Mail Extensions) a format designed originally to include images, sounds, animations and other types of documents within Internet mail messages.

Mirror site An FTP site containing exactly the same files as the site it is mirroring. Sites may be mirrored several times, often in different countries around the world. They relieve the load that can be placed on a very popular FTP site, making it easier for users to gain access and download files faster. See Also: Download, FTP

Modem (MODulator-DEModulator) allows the transmission of digital information over an analog phone line.

Mosaic Web browser written by a group of people at NCSA. Provides a Graphical User Interface for accessing data on the World Wide Web. See Also: Browser

MPEG (Motion Picture Experts Group) video compression format used for movie or animation clips on the World Wide Web. .mpg or .mpeg Filename extension for MPEG movies.

N

NCSA (National Center for Supercomputing Applications) powerful organisation that launched the Mosaic Web Browser in 1993 for Windows, x-Windows and Macintosh platforms.

Netiquette Informal, largely undocumented set of rules designed to make the Web a polite and civilised 'society'.

Netscape Communications Creators of Netscape Navigator, one of the most popular Web browsers. Became notorious after introducing several HTML 'extensions' that were unsupported by other browsers. See Also: Browser

Network Two or more computers linked together and able to share resources constitutes a network. Network Time Protocol Internet protocol ensuring that the correct time is transmitted. See Also: Protocol

Newsgroup Thousands of Newsgroups exist, distributing information on different subjects using Usenet. Newsreader Program that allows the user to read Newsgroup messages via Usenet.

NIC (Network Information Center) the location where all the data is organised for a certain network.

NNTP (Net News Transport Protocol) Usenet news uses this transfer protocol for shifting files around the network. See Also: Usenet

Node Any single computer connected to a network. See Also: Network

O
Offline When your computer performs an operation when it is not connected to any other computers, it is working offline.

Online Your computer is working online when it performs an operation and is connected to other computers.

P

Page A World Wide Web 'page' is the name given to a basic Web document, such as the one you are viewing at the moment.

PKZIP or PKUNZIP Utilities for easily compressing and uncompressing DOS and Windows files. They use the .zip filename extension.

Plug-In There are many things that your browser can do such as displaying images and web pages. Other things are beyond its capabilities and that's where the plug-ins are introduced. Shockwave and RealAudio are examples of plug-ins required for audio and video.

POP (Post Office Protocol) provides a store-and-forward service, intended to move E-mail on demand from an intermediate server to a single destination machine, usually a PC or Macintosh.

Public access provider An organization that provides Internet access for individuals or other organizations, often for a fee.

Public domain Refers to software that anybody can use or modify without authorisation. See Also: Freeware, Shareware

Q

R

Resource A particular object of information provided on the Internet. Can be anything from a picture through to a video or application.

S

Scripting language Series of programmed commands that designate how one computer communicates with another computer.

Search Engine Web Sites which index and allow users to search for subjects and sites

Self-extracting archive An archived file with the filename extension .exe, indicating that when downloaded and run, it will be extracted by the decompressing program around it, without user intervention.

Server Within a network, a server makes files available to client programs located on other computers when requested.

Service Provider The role of a Service Provider is to provide subscribers a gateway to the Internet.

Shareware Software distributed freely, but with certain conditions applying to it. Either the software is released on a trial basis only, and must be registered after a certain period of time, or in other cases no support can be offered with the software without registering it. In some cases direct payment to the author is required. See Also: Freeware, Public Domain

Signature The automatic addition of a few lines at the foot of an E-mail. These usually consist of the sender's E-mail address, full name and other details. See Also: Body, E-mail, Header

Smileys Characters often used in News messages, E-mails and on Web Pages to offer some degree of character or emotion. Example :-)

SMTP (Simple Mail Transport Protocol) often referred to as sendmail, is designed to allow the delivery of mail messages to Internet users.

Snail mail Write a letter. Buy a stamp, put stamp on letter. Walk to the postbox and post letter. Wait a day or two and hopefully it will have reached its intended destination...that's s n a i l - m a i l.

Surfing A popular metaphor used for describing someone exploring the World Wide Web.

T
Tag In HTML terms, a 'tag' is used for marking-up text in various ways so that it is formatted in a Web document. They are sometimes called 'Markup Tags'. See Also: HTML

Telnet Terminal emulation program allowing an authorised user to access another computer on the Internet and use that computer as if it were local (when in reality it could be several thousand miles away).

Terabyte 1000 gigabytes See Also: Byte, Kilobyte

Terminal Piece of hardware that allows commands to be sent to a computer, usually by means of a keyboard and display unit.

Terminal emulator Allows a PC to emulate several terminal types.

Thread In a Usenet group, this is a list of messages loosely relating to one another (using the same 'thread').

Timeout The facility whereby after a certain period of inactivity the connection is dropped.

U

Upload Transfer of files off a local computer up to a specified remote computer (as opposed to download where files are pulled off a remote machine). See Also: Download

URL (Uniform Resource Locator) resource addressing scheme of the World Wide Web. Assists in locating and identification of multimedia resources or multiple copies of resources.

Usenet Specialised network linking thousands of newsgroups covering every subject under the sun. There are many groups dedicated to crafts.

V

Virus A virus is virtual evil. It can hide anywhere where a computer stores information. They have the ability to transfer from computer to computer with the use of the Internet and various other networks. A virus can do a number of things to a recipient such as reformatting hard drives (destroying data).

Voting Voting can take place on line - either for onsite surveys or for sites such as Top 100 Craftsites.

W

Wide Area Network (WAN) Group of computers located geographically apart, usually belonging to a single company or organisation, connected together using dedicated lines or by satellite to simulate a local network.

World Wide Web ('WWW' or 'Web') Specialised Internet Service allowing users to connect to remote sites, with information presented as text with hypertext links. These links can be used to refer to almost all other resources on the Internet. Graphics can be embedded into Web pages, but can only be viewed using a graphical Web browser. Other applications supported are sound files and movie files. See Also: Browser, HTML, Internet

Worm A search utility on the World Wide Web that locates resources following user-determined guidelines.

X
XMODEM A popular but slow file transfer protocol. [Top]

Y
YMODEM Another file transfer protocol, slightly faster than XMODEM. [Top]

Z

.ZIP Files that have been compressed using the PKZIP program have this filename extension. They can be decompressed using the PKUNZIP utility.

ZMODEM The fastest and most popular file transfer protocol, due to its efficiency and crash recovery properties.