What Cam is

An inexpensive, simple video camera that sits on top of or next to your computer monitor, it is designed to send live and recorded video as well as still pictures over the Net to one or more users. It can also be a digital camera placed somewhere, anywhere, in the world, streaming video to a Web site (or other portable device) so that users can see live footage of certain events. The "cam" suffix can be applied to many words to describe specialized cameras, such as "a nannycam," which is used inside a home to monitor a babysitter's activities.

The meaning of Graphic or graphics

A picture or still image generated on a computer. There are two basic types of computer-generated graphics: object-oriented graphics (vector graphics) and bitmapped graphics (raster graphics). "Graphics" may be short for "graphic arts," including the creation, modification, and printing of visual works.