Acrobat

Acrobat is part of a set of applications developed by Adobe to create and view PDF files. Acrobat is used to create the PDF files, and the freeware Acrobat Reader is used to read the PDF files.

Aliasing

In graphic design, aliasing occurs when a computer monitor, printer, or graphics file does not have a high enough resolution to represent a graphic image or text. An aliased image is often said to have the "jaggies."

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.

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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