Where is the grammar for all of the VIM commands?

Question

I have read several questions here regarding clever and seldomly used commands for VIM. However, I haven't seen the grammar for VIM. Does anyone know where I can find it?

References:

What is your most productive shortcut with Vim?

https://stackoverflow.com/questions/95072/what-are-your-favorite-vim-tricks

Answer 1

I know this is late to the game, but I found some very good answers in the following articles:

The Grammar of Vim

Learn to speak vim – verbs, nouns, and modifiers!

These have greatly increased my understanding of Vim.

Answer 2

This is a great question to sharpen your googling teeth on. Here's what I found:

http://www.vim.org/docs.php