"통신선" refers to communication lines used for transmitting data and information between different locations. These lines can be physical, like copper or fiber optic cables, or wireless, such as radio waves. They play a crucial role in connecting devices, enabling services like the internet, telephone calls, and television broadcasts. In modern telecommunications, 통신선 are essential for ensuring reliable and fast communication. They support various technologies, including 모바일 통신 and 위성 통신, allowing people to connect across vast distances. The development of advanced 통신선 has significantly improved global connectivity and information exchange.