Trying to explain as if you're really 5 yo (ok, maybe 7):
Shell is a computer program. A computer program is like a robot: it does stuff it was programmed to do;
But we can't actually talk to the robot, it's not close to us. We talk to the robot with a computer in a command line interface: instead of pointing and clicking with the mouse, we write commands and read a response back from the robot;
We don't write the commands anywhere. It won't work if we write the commands in Google Chrome, for example. We have to write them in a program called console or terminal. This program will deliver the commands to the shell.
Trying to explain as if you're really 5 yo (ok, maybe 7):
A terminal can be its own hardware - originally, it always was. Today's "terminals" are mostly terminal emulators.
Nailed it
Hey, thanks for the explanation, so basically:
-The SHELL is a robot-like program.
-to talk to this robot you have to use a "translator" where you can write commands, and that's the COMMAND LINE.
-this "translator" needs a tool where you can actually write the commands. That's the TERMINAL(in an OS) or a CONSOLE(in a browser).
P.S.: A command line is within the terminal or console, so it's more like a concept