Hosting a Website
A host is where a website or app lives on the internet.
Its like the computer or server that holds all the files for the website.
When you go to a website, you're asking the host to send those files to your browser.

File Transfer Protocol
FTP is a way to move files from one computer to another over the internet.
It's like sending or getting files from a big online folder.
You need a special app to do it.