I have recently arrived at a conclusion of pool, a truth, and I invite anyone to try to refute me. You beginners, listen to me, and you will sound a lot smarter for years whenever you are playing pool, around pool, or talking about pool.
There are two fundamentals of pool.
The first, and most important, is to have a mind that is capable of both playing pool and learning pool skills. If you don't know the traits of such a mind, you should read some books or ask someone what kind of mind it takes to practice, learn, and compete in billiards.
The second fundamental, that is less important than the first, is to have a consistently straight and quality stroke. If you don't know how important a straight stroke is, you should do some study or ask someone and figure it out. You should also at least periodically do some work to keep your stroke straight.
If you don't have both of the two fundamentals, and you are talking about english, diamonds, speed, diamond systems, jump shots, bank shots, kick shots, masses, or any other billiard technique, you are to some degree BSing the people that you are talking to. Simple as that. Your speech about such topics without the first two fundamentals is a joke.