What is a Ethernet
Ethernet is a network cable standards.
It point wired LAN.
As the image, Ethernet is a physical network cable.
White box of the following image is a Ethernet switch.
And then, cable connected to a white box is a Ethernet cable.
Ethernet switch works as a hub.
Simply put, Ethernet switch is a integrated device.
Ethernet cable is a cable to connect each device to internet via Ethernet switch etc.
https://www.cisco.com/c/en/us/products/switches/what-is-an-ethernet-switch.html
The difference between Wi-Fi and Ethernet
Wi-Fi is a technology to connect internet by wireless.
It’s connected to router by radio waves.
And then, A modem translate data catching by the router.
So, The difference between Wi-Fi and Ethernet is wireless communication or a physical network cable.
https://www.cisco.com/c/en/us/products/wireless/what-is-wifi.html
