The amount of data that can be sent through a particular point in a connection. It's generally measured in bits per second (bps). The more bandwidth available, typically the greater amount of data that can be transferred per second. A full page of English text is about 16,000 bits. Bandwidth can also be thought of as the information-carrying capability of a particular television channel.

The number of cycles per second between the limits of a frequency band.

Tells you how much information can be sent across the net in one second. The speed is normally measured in bytes per second.

The frequency range of a signal. The span that the information-bearing signal occupies or requires or the difference between the lowest and highest frequency of a band.