First off don't get ahead of yourself, all the technical stuff is helpfull more after you get comfortable with your shooting alinement and or form, get that right first, arrow basics as far as spine & draw length for specific draw weight can be found online and on the back of the arrow package, most have basic charts on them. You will have to experiment a little on 3 under or split finger, and aiming methods but have fun with it and do what feels comfortable to you. Proper arrows are important, it will keep on track better than shooting arrows that are way off on spine and weight. Have fun with it and learn the basics first, usually that's what we all come back to anyway to improve. Mostly it's suppose to be fun,JMHO.