The term "wireless" refers to a method of communication or transmission that does not involve any physical connections, such as wires or cables. It allows for the transfer of data or information through radio waves, infrared signals, microwaves, or other forms of electromagnetic radiation. This means that devices can communicate with each other without being physically connected by a cable or cord. The term "wireless" is often used to describe technologies such as Wi-Fi, Bluetooth, cellular networks, and satellite communications.