What does mean by mobile networks

What does mean by mobile networks, is this related to our mobile communication or other than mean? Described it with an example of mobile network?

Mobile network use radio waves as transmission medium whereas Fixed network use the physical transmission medium such as copper cable or fiber optical cable and. Let me explain you with an example, For example a landline telephone (also known as land line, main line, and fixed-line) refers to a phone which uses a solid medium telephone line such as a metal wire or fiber optic cable for transmission while a mobile network uses radio waves for transmission,it is also related to your mobile communication in which radio waves are used for communication.