pixel

Definition:

A pixel describes the quality of a digital picture or camera. A pixel is the smallest dot that makes up a picture. The more pixels, or megapixels, that make up a picture, the better the quality of the picture.

Here's a word you may not know...

widget

A widget is a mini-application that is embedded in a web page. Widgets are used for many different purposes, including blogs, games, stock tickers and much more.