What is Vim
Vim is a highly configurable text editor that is designed to enable efficient text editing. It is an improved version of the vi editor that is distributed with most UNIX systems. Vim is often called a "programmer's editor," and it is useful for editing program code. Vim is a free and open-source software that is highly customizable and has a large community of users that have contributed to its development.
Best tutorial for vim:
How To Make Vim Amazing From Scratch
https://blog.inkdrop.app/how-to-set-up-neovim-0-5-modern-plugins-lsp-treesitter-etc-542c3d9c9887