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WebPages Development Term/Glossary
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Acquisition
Directly related to trial, acquisition is what marketers call it
when you try something and like it. When you click on a banner
offering a discount on CDs at CDNow, that's a trial. If you buy
something after clicking, you've been acquired. If you're lucky,
you'll start receiving great deals on the music you love (also known
as "conversion").
Acrobat
Acrobat is part of a set of
applications developed by Adobe to view pdf files.
Action
One of the reason DHTML (Dynamic HTML) is called dynamic is
its ability to heighten the interactive experience. Because DHTML
can utilize each action of the user (a mouseclick, a rollover, a
keystroke), it provides a rich and transparent way to process this
data. Before DHTML, form attributes would specify \"actions\" for a
common gateway interface (CGI) program to process. One of the
powerful abilities of DHTML is to pass JavaScript through a browser
as a part of a form. For example, when a user checks a box within an
HTML form, that click of the mouse can be the action that launches a
new window to give or receive further data.
Aliasing
Aliasing is when a
computer monitor, printer, or graphics file does not have a high
enough resolution to represent a graphic image or text.
Alignment
The positioning of a
body of text. Text can be positioned to the left, right, or
"center" of a page. For the best, consistent alignment, web site
designers use tables and Cascading Style Sheets.
ALT-attribute
Part of the image
source tag in HTML. A good web designer will always include text
in all of your image sources for two reasons: (1) if any of your
visitors choose not to view graphic images on your web pages,
the alternative text will be shown; and (2) if your visitors use
Internet Explorer as their browser and they leave the mouse over
any graphic image, they will view the text in your
ALT-attribute.
Animated GIF
A GIF graphic file,
which consists of two or more images shown in a timed sequence
to give the effect of motion.
Animation
Animation is the
creating a timed sequence or series of graphic images or frames
together to give the appearance of continuous movement.
Anti-Aliasing
Smoothing or blending
the transition of pixels in an image. Anti-aliasing the edges on
a graphic image makes the edges appear smooth, not jagged.
Apache
Apache
is Unix-based, open-source Web server that is used to host about
half the sites on the Internet. Originally, Apache was a Unix
product, but now versions for Windows, OS/2 and other platforms
exist. As with most open-source projects, there are numerous
add-ons and tailored versions of the server available, which are
created using the Apache module API. The name comes from its
origins as a series of "patch files.
Applet
An applet is a small program designed to run within another
application. Applets are useful on the Web because, once they
are downloaded, they can be executed quickly within the user's
browser. More than one applet can exist in a single document,
and they can communicate with one another while they work. Java
is one of the major languages used for creating Web-based
applets.
API
The application program interface (API) is a set of building
blocks for programmers. It is made up of routines, protocols,
and tools. Most operating environments provide an API so that
programmers can write applications consistent with that
environment. For example, developing software using the Windows
API ensures that your user interface will be consistent with
other Windows applications, making it easier for users to learn
your new programs.
ASP (Active Server Page)
A dynamically generated web page, generally
using ActiveX scripting. When a browser or a search engine
spider requests an ASP page from a server, the server generates
the web page with HTML code and gives it to the browser or
spider.
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