Another option to trigger functions are vim-inspired leader key sequences such a...

Another option to trigger functions are vim-inspired leader key sequences such as god mode [1] and the evil leader implementations in spacemacs and doomemacs, for example [2].

[1] https://github.com/emacsorphanage/god-mode [2] https://discourse.doomemacs.org/t/what-are-leader-and-locall...