I have been coaching baseball fundamentals for twenty-seven years now. It took me some years to learn them, though. I am proof that having played at the highest level is no guarantee one knows what they are doing. But after years of study, I figured out some things. But, coaching baseball fundamentals in the most efficient manner is always a work in progress. Thinking back on all the coaching, there are five words (concepts) that are most prominent when teaching the skills and strategy of baseball.