In Emacs, you can also insert C-h in a key combination. So you can do the basic things like C-h k to pull up the help for a key combination C-h f for a

In Emacs, you can also insert C-h in a key combination. So you can do the basic things like C-h k to pull up the help for a key combination C-h f for a function C-h v for a variable C-h m for currently active modes But you can also do things like this: C-c C-h to pull up every key combination that starts with C-c Emacs has excellent discoverability out of the box thanks to this.