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Icons may also be found on the toolbars and in the menus of programs such as Microsoft Word.
Virtually every major computer operating system now uses icon-based GUIs to display information to end users.
Most computer functions in a Graphic User Interface (GUI) are represented by a function icon. Placing the cursor on the icon, and clicking a mouse (or trackball or other) button usually starts the function or program.
The creation of a good function icon can be considered as an art form in itself, comparable to that practiced in the past in the domain of miniature painting by old masters such as Joseph Severn and Charles-Francois Daubigny.
The icon must be original, distinctive, and tiny and it must be useful on a wide variety of monitors set at different resolutions. This work is further complicated by the need to create several sets of function icons for several types of views in several types of operating systems, for any given program. For instance, the GUI guidelines in one operating system might specify the need to create sets of 16, 32, and 48 pixel icons for any program while the GUI guidelines in another system might specify sets of 16, 24, 48 and 96 pixel icons for any program.
In certain views of folders or directories in a Graphic User Interface (GUI) all the documents or files are represented as icons, in addition to their file name and, in certain cases, other details. In most systems and for most files these icons are generic images, representing the program used to create the file, or the file type. In this case, the comments made in the previous paragraph concerning the icon as an art form also apply to file icons.
In the case of graphic files most modern systems replace the generic icon with a reduced image of the graphic. This reduced image usually fits into a 128 by 128 or a 117 by 117 pixel box, depending on the operating system used. It is available in a "thumbnail view" or within some other specialized viewing area on the screen.
The most recent systems and the most recent applications often generate such reduced images from other types of files in programs which have not been traditionally viewed as "graphic", such as word processorA word processor (also more formally known as a document preparation system is a computer application used for the production (including composition, editing, formatting, and possibly printing) of any sort of viewable or printed material. They are descend software or business presentation programs such as Agnubis, ImpressOpenOffice. org OOo (the ". org" inclusion is due to a trademark dispute) is an office applications suite. It is intended to be compatible, and directly compete, with Microsoft Office. OOo is free software under the LGPL or SISSL and is available for Micr, or PowerPoint.
See also PictogramPictogram for public toilets A pictogram or pictograph is a symbol which represents a concept or an object by illustration. Early written characters ( symbols) were based on pictograms and ideograms, it is commonly believed that pictograms appeared before.
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