Wi-Fi is a wireless networking technology that uses radio waves to provide wireless high-speed Internet access.
a wi-fi connection icon usually looks like this 🛜connecting to a wi-fi network on a macOS computerthe closer you are to a wi-fi network’s router, the stronger your wi-fi connection will be (which means faster Internet).
cellular data
Cellular data, also known as mobile data, is a wireless connection that allows a mobile device to access the internet without using Wi-Fi or a wired connection.
This shows the Cellular Data used on Tech Wizard Mike’s iPhone Plus