browser
Definition:
A browser is a software application for a computer that allows you to view web pages on the Internet, or world wide web. Popular Internet browsers include Internet Explorer, Firefox and Safari although there are many others.
Here's a word you may not know...
PNG
PNG stands for Portable Network Graphics and represents a file format used to store graphics and images. PNG is a successor to the GIF image format in that it is not limited to 256 colors. However, images stored in the PNG format can not be animated as they can with the GIF format.