While experimenting with different tutorial formats during Covid, I tried writing out some longform tutorials illustrated with GIFs and/or embedded code blocks. While I didn’t continue down this path, I found them to be useful introductory reference tools for students.
Slide Decks
Client/Server Model
One of the tougher concepts to introduce and illustrate to students is the client/server model. This slide deck is my opening salvo, complete with animated GIFs (which I think help when illustrating the concepts).