Microsoft PowerPoint
Definition:
An application used to create presentations. The documents created in Microsoft PowerPoint can be displayed with a projector. Microsoft PowerPoint is sold as a standalone product or as part of the Microsoft Office suite.
Here's a word you may not know...
mirror
A mirror site is an exact copy of an existing web site. Mirror sites are used for a variety or reasons, the most popular being to provide multiple sources of the same information and to provider reliable access to file downloads.