Letter: G
Gateway
The technical meaning is a hardware or software set-up that translates between two dissimilar protocols, for example Prodigy has a gateway that translates between its internal, proprietary e-mail format and Internet e-mail format. Another, sloppier meaning of gateway is to describe any mechanism for providing access to another system, e.g. AOL might be called a gateway to the Internet.
gateway
A computer that links two networks, routing IP datagrams and often converting protocols or messages from one network to the other. The term can also refer to a system capability that provides direct access to other remote networks or services.
Gaussian Blur
Blur filters locate significant color transitions in an image, then create intermediary colors to soften the edges. The Gaussian blur is one kind of blur filter that uses a mathematical formula to create the effect of looking through an out-of-focus lens. Gaussian is a mathematical term named after German astronomer and mathematician Karl Friedrich Gauss.
GIF
(Graphic Interchange Format) -- A common format for image files, especially suitable for images containing large areas of the same color. GIF format files of simple images are often smaller than the same file would be if stored in JPEG format, but GIF format does not store photographic images as well as JPEG.
GIF
Graphics Interchange Format is an image file format commonly used in HTML documents.
Gigabyte
1000 or 1024 Megabytes, depending on who is measuring.
GIMP
GIMP stands for GNU Image Manipulation Program, and is a free software program for image authoring and composition, and photo retouching. The program has a scripting interface and can be expanded with plug-ins and extensions.
Gopher
A widely successful method of making menus of material available over the Internet. Gopher is a Client and Server style program, which requires that the user have a Gopher Client program. Although Gopher spread rapidly across the globe in only a couple of years, it has been largely supplanted by Hypertext, also known as WWW (World Wide Web). There are still thousands of Gopher Servers on the Internet and we can expect they will remain for a while.
Graphical User Interface
A GUI (pronounced "gooey") is a graphics-based interface that lets you access programs by pointing to icons, buttons, and windows rather than by typing a string of commands at a command prompt.
Grayscale
A grayscale image uses only shades of gray to represent an image. Black-and-white photographs can use a virtually unlimited number of shades of gray, but most computers can display only 16 or 256. To grayscale is to convert a continuous-tone image, like a black-and-white photograph, to an image made up of pixels. Grayscaling is different from dithering, which uses either black or white pixels next to one another to simulate shades of gray. In grayscaling, each individual pixel can be a different shade of gray.
Home Page URL
The local path or Internet URL to the default page of the Web site for which WebTrends reports will be generated.
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