What is the shortcut to close all open windows at the same time on mac?

On a Mac, you can close all open Windows of the current application by pressing Command (⌘) + Option (⌥) + W. However, to close all applications and their Windows, you can use Command (⌘) + Q to quit each application individually. Alternatively, you can use Command (⌘) + H to hide applications, leaving them open but minimizing their Windows.