Coroutines are more like reading multiple books, leaving bookmarks behind and returning to them as needed. I think of caching like moving the resources you're w

Coroutines are more like reading multiple books, leaving bookmarks behind and returning to them as needed. I think of caching like moving the resources you're working with to be near at hand so it takes less time to get to them. (When you're painting, for example, you keep pencil, eraser, brush, paints, and palette nearby, because they're in active use and it would take awhile to fetch them every time you needed them.) Your other examples are great though. I worked in a kitchen for a couple of years and it's definitely all about concurrency.