GUI – Graphical User Interface – a user interface based on graphics (icons and pictures and menus) instead of text; uses a mouse as well as a keyboard as an input device
SVG -Scalable vector grapics - is an XML format that MapServer can output. It is frequently used in browser and mobile devices.
Web Safe Color – Another set of 216 color values is commonly considered to be the “web-safe” color palette, developed at a time when many computer displays were only capable of displaying 256 colors. A set of colors was needed that could be shown without dithering on 256-color displays; the number 216 was chosen partly because computer operating systems customarily reserved sixteen to twenty colors for their own use; it was also selected because it allows exactly six shades each of red, green, and blue (6 × 6 × 6 = 216).
Web Safe Fonts – are those fonts likely to be present on a wide range of computer systems, and are used by web content authors to increase the chance that content will be displayed in their chosen font. If a visitor to a website does not have the specified font, their browser will select an alternative — in the case of dingbat typefaces the alternative is unlikely to have similar characters at the same code points.
Cache – Short-term storage. A cache is used to speed up certain computer operations by temporarily placing data, or a copy of it, in a location where it can be accessed more rapidly than normal. For example, data from a storage disk may be cached temporarily in high-speed memory so that it can be read and written more quickly than if it had to come directly from the disk itself; or a microprocessor may use an an on-board memory cache to store temporary data for use during operations. ‘Cache’ is derived from the French word for a hiding place, and so is pronounced like ‘cash’.
CSS – Short for Cascading Style Sheets, a new feature being added to HTML that gives both Web site developers and users more control over how pages are displayed. With CSS, designers and users can create style sheets that define how different elements, such as headers and links, appear. These style sheets can then be applied to any Web Page.
Fixed Layout – Fixed layouts are layouts that start with a specific size, determined by the Web designer. They remain that width, regardless of the size of the browser window viewing the page. Fixed width layouts allow a designer more direct control over how the page will look in most situations. They are often preferred by designers with a print background, as they allow the designer to make minute adjustments to the layout and have them remain consistent across browsers and computers.
Liquid Layout – Liquid layout are layouts that are based on percentages of the current browser window’s size. They flex with the size of the window, even if the current viewer changes their browser size as they’re viewing the site. Liquid width layouts allow a very efficient use of the space provided by any given Web browser window or screen resolution. They are often preferred by designers who have a lot of information to get across in as little space as possible, as they remain consistent in size and relative page weights regardless of who is viewing the page.
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