Getting started on Lingua-Franca offline project

I am getting started on the off-line project with lingua-francahttps://www.codecademy.com/courses/learn-the-command-line/articles/command-line-offline-project
I am using a Mac and have downloaded the file and can see the directory and all of the files on my Mac. Also, I have the terminal open and saved to my doc. When I open the terminal and type “cd lingua-franca” it continues to tel me “no such file or directory”. So then I decided to try cd Downloads, since that is where "lingua-franca is stored. I continue to get

What step am I missing?

So it’s unpacked in the Downloads/ folder? Can you find it with ls just to show what’s in that folder?

You can try this method too. If you know where it is in the finder, you can open a terminal from the finder that is already in the right directory.

https://www.maketecheasier.com/launch-terminal-current-folder-mac/