Web Icon - Aweb icon is a small picture or symbol that can represent: a file,action, service, object, function, the list goes on. The term comesfrom the Greek word eikon, which means likeness, image orportrait.

Common icon sizes for the web are:

16px X 16px	32px X 32px	48px X 48px

Icons are a great way to portray an idea quickly. There areicons that are so widely used on the web that many people no longerneed text alongside them to know what they mean. Here are a few examples:

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Link

Icons should be simply drawn and have adequate contrast to viewat smaller sizes. The smaller the icon, the less detail it shouldhave. Here's an example:

The same icon at different sizes will have varying degrees ofdetail in order to maintain its shape.

Have fun adding icons to your site beside links, or in calloutboxes to draw attention to important or interesting content.