For a true connoisseur of coffee, knowing the difference is the ultimate thing. The difference in the coffee beans is in its particular aroma and the flavor that it gives to the drink. There is one enjoyable way to understand the stark differences and it is nothing but to taste them separately.
You can try to taste at least two to three flavors at a time to mark the difference and understand how each one has its own specialty. Whenever you taste something new, try to keep a note of them. This way, you will have records of all those wonderful memories of the different tastes that you enjoyed. What it can truly help you in is, whenever you are to purchase a pack of different varieties of coffee, this note can simply help you.
Trying different coffee beans in your drink of coffee is almost an achievement and once you grow a habit to taste new flavors, you will know a lot of this powerful drink. Again, keeping note of every time you taste a new flavor will help you recollect about the region, the techniques involved in preparing it and the taste of it, clearly. Also roasting the coffee beans yourself will open up a whole new world for for you.
What is the best thing about knowing different types of coffee beans is not just to add to your memory bank, but guide you in buying the best coffee beans also. By keeping note, you can simply understand which flavors work for you the most and which flavor you can have more often.