Broadband — The capability of sending and receiving information over the Internet at a high speed.

Streaming video — The sending of a video and/or audio signal across the Internet in real time instead of as a download.

Interactivity — A flexible term that covers any kind of two-way interaction over a computer network.

InfrastructureLarge, specialized networks of computer servers and communication lines connected to the Internet that speed the delivery of video, audio, or interactive content.

Edge of the Net — The process of reducing content delivery delay by having your Web content hosted simultaneously at many different servers around the world.

Plug-ins and ClientsSoftware programs that run on your computer and let you communicate with a webcaster or other distributor of online information.

Media Players — A type of client software that runs on your computer and allows you to receive and play back video and audio signals.