VIM: available shortcuts?

Question

I use many shortcuts for my work in vim. Other shortcuts are taken by plugins.

Sometimes I would like to add a shortcut for a new command but note afterwards that the sh

Answer 1

Type :help index to see the mappings (shortcuts as you name them) and commands defined by vim itself.

Type :map to see the mappings defined by your vimrc and plugins. Type :verbose map to know where each mapping was defined.

Also :help map-listing to check what's displayed, but you probably already know about it (it's in map.txt help manual).