Final answer:
BAN stands for Body Area Network, which is a collection of devices worn or implanted in a body to monitor various data, predominantly used in healthcare and fitness industries.
Step-by-step explanation:
BAN stands for Body Area Network. It is a network that includes a collection of devices that are worn, carried, or implanted in a person's body to monitor health, fitness, and activity data. These networks typically utilize wireless communication technologies to connect sensors on or inside the body to external devices or systems for further processing and analysis. The concept is primarily used in the fields of healthcare, sports, and biotechnology.