Acrobat: Adobe software that converts
postscript files into universally readable file
format (PDF) for distribution across all computer
platforms and the internet.
AIFF: Audio Interchange File Format: A
common sound file format used on the Internet.
Anchors: A link to a specific location on a
Web page. Also called Bookmarks
in some Web page editors.
Animated Gifs: A method of creating an
animation wherein a single GIF file contains all of
the images used in an animation.
Antialiasing: The ability of some graphics
programs to make jagged lines appear to be smoother
than they are.
AppleScript: Apple's scripting and
programming language for the MacOS, used extensively
for creating CGI's on Mac based Web servers.
ASCII: American Standard Code for
Information Interchange. The standard character set
for the transmission of data (files saved as plain
text are usually saved in the ASCII character set).
AVI: File extension for Microsoft's Video
for Windows (i.e. MYVIDEO.AVI)
Background Image: A tiled image used as a
background pattern on a web page.
Bandwidth: The amount of data that can
travel through a network circuit, usually measure in
kilobytes or megabytes per second.
Baud Rate: A measure of communications
speed that represents the number of possible changes
of state per second. It is often used to mean
"bits per second." Typically used to refer
to the speed of a modem. (e.g. 300, 2,400, 9,600,
BBEdit: An ASCII text editor from Bare
Bones Software. Useful for adding HTML coding to
pages created in PageMill.
BBS (bulletin board system): A system
whereby users can log in and leave or read messages
(not attached to a WAN).
Bit: the smallest unit of computerized
information. In computer binary language this is the
simple on-and-off code.
Bookmark: A URL
address stored in your browser. Also, some Web page
editors also use the term Bookmark to mean linked
locations within a web page.
Browsers: Software that interprets HTML
tags to display HTML documents over the web as
formatted text and graphics. (Netscape Navigator,
Mosaic, Internet Explorer)
Byte: A unit of measurement ( 8 bits ) used
to rate storage capacity of disks; 1000 bytes is a
kilobyte; a million bytes is a megabyte; 1 billion
bytes is a gigabyte.
Cache: The area where temporary copies of
information either in RAM or as disk files are stored
so that the information can be used more rapidly or
efficiently than original copies.
Claris Home Page: Claris Corporation's
'drag and drop' web page authoring software.
CGI (Common Gateway Interface): A standard
for sending data from a Web server to another
application. Also refers to the applications that
work in conjunction with a Web server. Commonly used
in page hit counters, etc.
Client: A computer or workstation that
requests access or services from another computer
CMYK: The abbreviation for cyan, magenta,
yellow, and black. The process colors used in color
Commercial online services: Companies
charging for access to their content and services.
(examples: America Online, CompuServe, Prodigy)
Compression: A mathematical interpretation
or algorithm of an image. An algorithm is created to
condense images by not saving all the bytes and bits.
Compression (making files smaller) is achieved by
software or hardware (compression boards) or both.
Content Providers: Any organization or
business providing information and/or products over a
computer network. Can be anyone from a small business
to the the federal government. (e.g. Time Magazine,
CPU (central processing unit): The
"brain" of the computer that interprets
Cropping: Shaping or editing the
photograph. This is an artistic judgment which trims
the image to fill available space.
CUSeeMe: A format that allows
low-resolution video (and sound) to be sent along
with a chat message. Think of it as IRC with video.
The video quality is poor (and will get better
slowly) and updates about 1 frame every second or so.
This depends completely on the bandwidth of the
connection to the Internet that both the sender and
receiver of the video have (the higher the bandwidth,
the better the quality).
Cyberspace: The sensation of place without
location, or space without physicality, experienced
while using global computer networks. The term was
popularized by William Gibson in his novel
Digital: Method of data storage and
transmission in which each code is given a
combination of bits. Each bit indicates the presence
of absence of a condition (on-off yes-no) digitize:
to convert via scanner photographic or other graphic
images to a series of binary codes which can be
processed by a computer.
Disk: (usually refers to magnetic storage)
A coated platter for storing programs and data files.
The main types are floppy or hard disks.
DPI: Dots per inch or in digital imaging
pixels per inch. A measure of resolution.
Electronic digital camera: A camera that
uses no film or processing. The images as shot is
digitized, stored on a disk or sent to a computer.
E-mail: Electronic mail. The electronic
exchange of messages addressed to individuals between
Email address: A unique identifier that
allows email to be sent from one computer to another
Emoticon: Emotion icons, little sideways
faces formed with punctuation. They are supposed to
provide a clue as to your current emotion. (e.g.
happy :-), sad :-()
Emulation: Terminal emulation is a program
that runs in a workstation that makes it look to both
the user and the host like a specific type of data
EPS: Encapsulated postscript file format.
Ethernet: An industry standard hardware and
software protocol for transmission of data packets
over a network wire, usually at 10 and 100 megabits
File format: The way data is stored in a
file; how pixels are arranged. EPS, TIFF, GIF, JPEG
and PICT are all file formats.
File server or server: A type of server
that holds files in private and shared subdirectories
for LAN or WAN users.
Firewall: The term for any security
measures taken, whether software or hardware, that
protect and or limit a user's access to the Internet.
A type of router that watches the messages being
passed through it and controls which messages are
Flat bed scanner: Primarily used to scan
Floppy disk: a flexible magnetic disk used
to record and store data (also called a diskette).
Form: An interactive page on the Web that
allows a user to submit information to the server.
Frames: A feature built into browsers that
splits a window into independent but interactive
Front Door: First page of a website.
FTP (File transfer protocol): The Internet
protocal most often used for transferring files
across the Internet.
Gateway: A computer that connects subnets
of different types. These subnets run different
protocols and operating systems. Gateways can also
provide access to mini and mainframe computers as
well as to Wans (Wide Area Networks).
GIF (Graphics Interchange Format): A
graphic compression format developed by CompuServe
that allows for images of up to 8-bits or 256 colors.
One of the more common graphic formats on the Web.
GifBuilder: A shareware application that
creates animated gif files for delivery over the web.
GPIB (General Purpose Interface Bus):
Allows different types of computers to interface by
standardizing the signal.
GraphicConverter: A shareware application
that opens and converts a wide range of image file
GUI (Graphical User Interface): A term used
to describe operating systems and programs that
utilize images, mouse control, and WYSIWYG technology
to make computers and programs easier to use.
Hardware: The equipment that makes up a
computer system as opposed to the programming or
instructions sets for the system (software).
Helper Applications: Software programs that
work independently but in connection with each other.
These helper application will run independent of each
other. (e.g. Netscape and Sparkle)
High-resolution image: A digitized image
which contains the greatest amount of pixels per
Home: The URL that is set in browser
preferences as the website to visit when the browser
is booted (default URL).
Hot Spot: An area in an imagemap that is
designated to serve as a link to another web page.
HTML: Hypertext Mark-up Language - A
programming language that uses special codes called
markup tags to indicate formatting and special
elements within a Web page.
ImageMap: An web page image with
corresponding "hotspots" that link to other
HTML documents and resources on the Web. They are
often used in navigation bars, or wherever a graphic
interface is desirable.
Interlacing: The ability of a GIF file to
be loaded for viewing so that it appears to fade in
Internet: The term used to describe the
vast worldwide network of networks.
Internet Explorer: Microsoft corporation's
IRC (Internet Relay Chat): A way for people
to communicate in realtime with text over the
internet (each sees the text in a window on their
ISDN: Integrated Services Digital Network:
A telecommunication protocol that uses digital
technology for data transmission for both computer
and voice communication.
ISP: Internet service provider (Frognet,
Java: A programming language developed by
Sun Microsystem's to add scripting routines to Web
JPEG: The abbreviation for an image
compression algorithm (Joint Photographic Experts
Group). Supports 24 bit color (16.7 million colors)
as compared to GIF which only supports 8 bit color
LAN (Local Area Network): A method for
connecting PCs so that they can share information and
peripherals in a limited geographical area.
Layout: A drawing showing the typographic
parts (ads, photos, text) in their proper positions.
Link: An area on a Web page designated as
being able to direct a browser to another location
within the internet or on the Web page.
Low resolution image: Usually refers to an
image that contains only the information necessary to
accurately display the image on the computer screen.
Megabyte: (MB) a unit of measure of store
data corresponding to 1024 kilobytes or 1,048,576
Modem: Abbreviation for
modulation-demodulation, but more commonly refers to
a hardware device that transport data packets by
converting digital signal into analog signals for
transmission via telephone wires. Still the most
common way for users to connect to the internet.
Network: A group or system of electronic
components and connecting circuitry designated to
function in a specific manner.
Node: A device or computer on a network.
Online: Being connected to a computer and
using its logic.
Optical scanner: A device that uses light
to scan and convert text graphics or other images
into digitized data that can be read by a computer.
PageMill: Adobe Corporation's 'drag and
drop' web page authoring software.
Personal Web Server: Microsoft's
free software utility for publishing web pages from
your desktop computer. You must have a direct
connection to the internet for this to work.
Available for both Mac and Windows 95 computers.
PhotoShop: Adobe's digital imaging
software. Used to manipulate or enhance digital
photographs and to create original digital artwork.
PICT: A digital file format.
Pixel: The smallest portion of a picture
for which information is stored. Pixels are made up
PDF Files (Portable Document Format): Adobe
Acrobat native file format making fully formatted
documents available seamlessly across all computer
platforms with all type and layout intact.
Plug-ins: An extension to an application
that adds functionality to the program. Plug-ins
cannot function as stand alone applications.
Postscript: Page description language
developed by Adobe
that allows rasterizing output devices such as laser
printers and typesetters to output images that may
include both text and graphics.
Quicktime: Apple's standard for digital
Raster image processor (RIP): Usually
software in a device that takes pixels and turns them
into dots for the printed image. The RIP prepares
data for output on a raster image device such as a
A browser plug-in that delivers audio over the
Resolution: The quality of the information
measured in pixels per inch or pixels per centimeter
for digital images.
Root path: The location of a file on a
Router: A device that forwards network
traffic between networks.
Search Engine: An internet service that
searches for websites and/or content contained in Web
pages on the internet.
Server: (or File Server) Any computer on a
network that makes files and communication services
available to other computers.
Service Providers: An organization that
allows individual clients to connect to the internet.
ISP's usually charge a fee for this service. (local
ISP's: FrogNet, DialNet)
Shockwave: A technology for embedding
animation files (like Macromedia Director files) into
SND: The Macintosh native sound file
Splash Screen: The first Web page a visitor
sees when arriving at a Website.
Tables: A graphically divided area in which
content can be organized and divided by grid lines
for display on a Web page.
Tango: A scripting application that allows
servers to search a database and deliver the
requested information to a client.
Thumbnail: A small, iconized version of a
larger graphical image.
TIFF: Tagged Image File Format
Transparency: The ability to see through a
single color of a GIF file's 256 colors when viewed
in a Web Browser.
URL (Uniform Resource Locator): The address
of a page on the internet.
Unix: An extremely flexible but complicated
operating system that pioneered Internet
VRML (Virtual Reality Markup Language):
Used for describing 3D spaces in which users can view
and navigate. These are not pre-rendered like movie
files, but rendered on-the-fly (in realtime as the
users move within them) from the descriptions of the
WAN: Wide Area Network: A high=speed
network of computers extending farther than 1
WAV (Waveform Audio Format): A proprietary
audio file format developed by IBM and Microsoft.
Webmaster: The person responsible for
maintaining the files on a website.
Website: The collective Web pages that make
up all the material on a server.
Starnine Corporation's Macintosh web server software.
WWW (World Wide Web): The network of
clients and servers that navigate and store
information the the Internet.
WYSIWYG: What you see is what you get.
640 x 480: The most common resolution size
in pixels of the standard 13" computer screen.
72 DPI: Common computer screen resolution.
(Special thanks to Larry
Nighswander for the use of this glossary!)