Background sound
A sound file that you associate with a page. When the page is displayed in a Web browser, the sound file repeats the number of times that you specify.
Background Image
These are images which are designed to sit in the background of a web page so that all other information, (e.g. text, images) is seen to sit on top.
BMP
A resolution-dependent file format for images created by Windows Paint, PaintBrush, and other applications.
Bookmark
Nearly all web browsers support a bookmarking feature that lets you save the address (URL) of a web page so that you can easily revisit the page at a later time.
Broken hyperlink
A hyperlink that does not correctly point to a page or other Internet file. A broken hyperlink indicates either an incorrect URL or a missing page or file.