In the context of a local area network (LAN), each machine connected to the network is referred to as a host. These hosts are used to communicate and exchange data over the internet through the router.
In LAN, every device is connected called as a host machine. In which any of one will be act as a DHCP which provides the IP address to other host or connected devices. In LAN all the host in same network will be able to communicate through TCP/IP or UDP.
In the Context of a local area network (LAN) each machine connected to the network is called host and a host can move data from one network to another with the help of router.
Machine which is connected in a LAN is called host. These hosts can communicate with each other within LAN through TCP/IP or UDP. These hosts have access to the internet through the router.