You may occasionally see a reference on your Mac to purgeable space. This is simply available space that is being temporarily used and would be automatically made available if needed.
Here are 10 tips and tricks to help you beyond Finder basics. Learn how to use Column and List views, the Go To Folder command, do boolean searches, Batch Rename and more.
Years after a video about unusual things you could do with the Mac Calculator, lets take a look and see if these still work in the new Calculator app that comes with macOS Sequoia.
If your Mac Calendar is cluttered, here are some techniques you can use to clean it up or at least make it easier to see the events that are important.