D
DBMS: DataBase Management System.
Demographics:
The types of people looking at a given advertising medium. (For example:
25-30 year old males making $50,000-$100,000 per year, with blond hair
and green eyes.)
Dial-up
service provider: An Internet Service Provider accessible
through telephone lines by modem.
Digest:
An email message containing several postings to a mailing list. Lists
often inundate members with postings, and digests help people with less
time keep up.
Directory:
A list of websites, usually organized by category. Many directories
are searchable, but they are different from search engines because they
just list your home page. They don't spider your site, so any hidden
descriptions or keywords will not count toward the relevancy of your
page in any given search.
Discussion
list: A group of people discussing a particular topic
by email.
DNS: Domain Name Server. A program which automatically
translates domain names into their correct IP address
Domain:
An area on the internet assigned to a particular company. Each area
is assigned its own numeric IP address and a text name. If one server
has more than one, they are considered "virtual" domains.
domain name: The text name assigned to a website. A domain name example
would be www.busymarketing.com.
Doorway
pages: A webpage designed to rank well on a specific search
engine for a specific Keyword Phrase These pages usually rely on frequent
repetition of the keyword phrase, and often try to "trick”
search engine into ranking them well. See my article on Doorway Pages
for more information.
Download:
The transfer of information from the Internet to your computer. The
information could be a webpage, email, or a program. Downloading things
can be dangerous, so be sure to use Protection before engaging in intercourse
with other computers. (In other words, if you're going to be on the
Internet, get a good virus protection program.)
DSL:
Digital Subscriber Line. A method of connecting to the Internet permanently
via a high-bandwidth phone line. They're faster than dial-up service,
and you can be on the phone and the Internet at the same time without
purchasing an additional phone line. They're also more expensive and
temperamental than phone lines.
DSVD: Digital Simultaneous Voice and Data.
