OK. Suppose you enrolled in a civil engineering program and wanted a consise, simple explanation of how to builid a bridge that would support ten ton trucks and stand up to traffic for years to come. It involves knowing how to dig, locate, and construct a suitable foundation, what materials to use and how to put them together, how to span the gap from one side of the river to the other to support that weight and endure over time, and how to put THOSE parts together.
Suppose you went to your professor and said: I don't have time or the money to take a one semester course in bridge building, a two semester course, or a college major leading to a degree representing competence: just give it to me in a summary, thanks. (When looking for a job later, of course, that summary would suffice for a high entry position with an engineering firm...no need for the full semester course, or the other courses, to say nothing of a doctorate, obviously: they are just rehashes, no?)
So the "one line" answer to your post is as follows: take hold of the club in a way that you won't lose it when you swing it and that permits your hands to fold and cock in unison; stand in a way that permits your arms to swing freely back and forth along a line that runs parallel to the line you want to make the ball move. Bend over sufficiently that your arms hang under your armpits as you swing, and by trial and error locate how high or low you need to stand, and how close or far from the ball to stand, so that when SWINGING the club, the head of it is just the right height from the ground to impact the ball cleanly in the center of the clubface before the club gets low enough to hit the dirt under it. Of course you won't get away with changing how high you stand while you're swinging it as that changes the height of the clubhead during your swing.
After you have the ability to strike a ball cleanly, again by trial and error locate how "closed" or "open" the clubface needs to be in your hands (relative to the plane of your left wrist) before you swing back so that when it DOES hit the ball it IS square to the line you are swinging and the ball travels in the direction you intend. I.e., experiment with how strong or weak to make your grip so that it gets square, but not by doing anything during your swing other than allowing your arms and hands to roll as they do naturally.
When you have discovered that such a "one line" summary of "how to" is insufficient to really "get it," you may want to take a one semester course and learn more. And when you have done that, and in the process discover that you need more than THAT, you may want to take some MORE courses.
I bet you have a better chance at getting "a job" if you do take more "courses." An employer might hire you after a couple courses to help carry the materials...
About the golf swing: There are books, videos, teachers, etc. from whom you can "take these courses," and Brian has a reputation for offering just about the best there is. I have a few of my own - the introductory one is for kids and women and beginners and intermediate and tour level golfers and it is called "5 minutes to a perfect golf swing" and takes about 45 minutes on tape, 10 minutes in person.... My point is that YOU will need KNOWLEDGE same as you will need for building bridges; not by copying how a bridge looks to your eye, but by UNDERSTANDING THE NATURE OF WHAT PROVIDES a solid foundation, integrity of the parts, and the principles by which its construction will serve the purpose for which it is built (form follows function).
I wouldn't take "bridge building" and expect to achieve competence from internet discussion forums in which the contributors run anywhere from really qualified experts to rank newcomers, so given that competence with a golf club is more than a quick study, you might want truly to invest in a program that gives real knowledge.
I hope the work and personal responsibility truly to learn what you are doing doesn't disappoint you; I don't think I'd pass the finals if in my bridge building program all I ever was able to pick up was "do this like this" instead of TRULY UNDERSTANDING HOW everything works.
Good luck in your search for the easiest way to get there.