Secure Copy is a UNIX standard used to transfer files from one computer to another. He's how to use the function in macOS, all via the Terminal window.

I used it on a friend's Mac a while back to automate processing an RSS feed to grab some files they wanted. But I have no idea what most people use Automator for, if anything.

With Automator, I'm able to create a workflow to rename a bunch of files all at once with two clicks by creating a Quick Action. You can configure it to save the files with the date and time or ...