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For other uses of the term see Icon (disambiguation). For a list of icons for use on Wikipedia, see Wikipedia:Icons.

American cultural icons.

The clock tower of the Palace of Westminster, iconic of the government of Great Britain.

A secular icon is an image or pictograph of a person or thing used for other than religious purpose. (See icon for such use.)

• An icon is a graphic device that represents some object or action, the graphic device being ascribed symbolic meaning(s) beyond the object represented.
• A symbol has only the meanings ascribed to itself, representing only a concept and not recognizable as a particular object.

International standards have been developed to harmonize icons and symbols. These can be seen particularly in international airports and for roadside signs to assist travellers. Icons are also becoming standardised for consumer electronics and automobile controls.

The biohazard graphic is only a symbol, since its meaning is entirely designated by convention and it represents no specific object

Warning symbols (such as the biological hazard symbol) are sometimes not self explanatory but well known within the relevant art or craft - such are symbols but not icons.

Secular icons are seen particularly in editorial cartoons, where a simple image can be used to represent a complex concept or entity. These are often cultural specific, as recognition of some symbols may depend upon a deep understanding of the current local situation and the players involved, while others are so common that they are understood over a wide range of cultures (but not worldwide). Edifices such as the United States Capitol Building or the White House, the Tower of Westminster, and Saint Basil's Cathedral have become representations respectively of the Governments of the United States of America, Great Britain, and Russia. Other symbols (such as the bald eagle for the United states, the bear for Russia, or the chinese dragon for China) are used to represent nations, as distinct from (yet inclusive of) governments.

Main article: Icon (computing)

Modern personal computers and control systems make extensive use of icons in the form of small images representing such objects as file folders, documents and applications within a graphical user interface.

• Cultural icon
• Gay icon
• Semeiotics, the analysis of icons and symbols.
• Symbol