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The online world has its own language and dictionary of terms. While a lot of this dialog has become well-known and commonplace among the general public, others have not caught on as fast - and even more are being created every day!
In an effort to explain some of the more common terms, we have created this glossary. This is not meant to be an all-encompassing encyclopedia, but rather a brief glimpse at some of the most frequently used words and acronyms. If you would like to suggest an Internet term that is not part of this list, please send an eMail to info@gravityfree.com.
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z  
U

UCE - Unsolicited Commercial e-mail, or another term for SPAM.

Unicode - Is a multilingual encoding mechanism. It that includes every single character for all languages, thus making it easier to process and display characters from more than one language (e.g. English and Japanese).

Unique Users - Individuals, often identified through the use of cookies, IP addresses, or passwords, who visit a site. Compare with "Visitors".

Unique Visitor - The number of visitors who access a Web site within a given time period (usually 24 hours) from a single IP address. If you visit the same Web site three times within a 24 hour period, your visits only count as one unique visit for that day.

Upload - Moving files (FTP) from your computer to another computer over a communications link.

UPP (Universal Payment Preamble) - Internet payment negotiation protocol that is an extension to HTT.

URL (Uniform Resource Locator) - Universal Resource Locator. An address which can specify any internet resource uniquely. The beginning of the address indicates the type of resource e.g. http: for Web pages, ftp: for file transfers, or mailto: for e-mail addresses. (ie http://companyname.com)

Usenet - A system for disseminating asynchronous text discussion among co-operating computer hosts; the Usenet discussion space is divided into newsgroups, each on a particular topic or subtopic.

User - See Visitor.

userID - A compression of "user identification"; the userID always proceeds the @ sign in an e-mail address.

UUCP (UNIX-to-UNIX Command Protocol) - This was initially a program run under the Unix operating system that allowed one Unix system to send files to another Unix system via dialup phone lines. Today, the term is more commonly used to describe the large international network, which uses the UUCP protocol to pass news and electronic mail.

UUdecoding - The restoration of uuencoded data to its original form.

UUencode (Unix to Unix Encoding) - A process used to convert binary files (graphics) to ASCII (text) so that they can be transmitted across the Internet via an e-mail attachment. The new WinZip utility features built-in support Uuencode.

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