Hey everyone! This is just a different way of conceptually explaining the buffer concept. If you “get it” already, you may use this to explain it to your neighbor (who thinks you’re weird, by the way). If you don’t quite get it yet, perhaps this will help clear the waters a bit!

Here’s a still shot of the whiteboard for reference:

(Sorry for the background-noise audio — I didn’t have my mic with me — will next time!)