When you boil down all the different handgun drills, methodologies and opinions what are the most important fundamentals of good shooting and what is just fluff?

As the title asks, what are the fundamentals that we should be training to become better shooters? This includes the fundamentals of drawing from ccw or a holster etc. Thanks!-Also, in what order would you organize the fundamentals into a training regiment? via /r/CCW http://ift.tt/2FiZ1rD