What do you mean by WLAN and cellular network?

Wireless local area network is "WLAN" and cellular network refers to mobile network. Wireless local area network is usually called "WLAN", which refers to the use of wireless communication technology to connect various computer devices together to form a network system that can communicate with each other and share resources. Cellular network is a kind of mobile network, which is a mobile communication hardware structure composed of analog cellular and digital cellular.