Learn business Terms, feel confident in your emails and correspondence and verbal interactions.
Although, I have never taught officially, I have always been the choice of tutor by my nieces and nephews for Homework Projects and Essays etc. They inform me that, I express myself making the subject clearer and more information. Breaking things down for them to absorb.
I think it is just as important to learn how to learn, to take instruction to feel a structure and organisation. Research is an import tool not just in learning but life. A common sense approach helps