In analog communications, the difference between the highest and lowest frequencies in a specific range. For example, an analog telephone line accommodates a bandwidth of 3,000 hertz (Hz), the difference between the lowest (300 Hz) and highest (3,300 Hz)
— Computer ScienceA measure of total amount of data transferred over a period of time, often used to measure how busy a website is. A- webhostwill usually base its charges on the bandwidth a website uses, ie how much data per month is requested- from it.
— Computer Science