Camshafts, idle quality, driveability and LSA-REAL WORLD EXP and OPINION

How many degrees is 1/4 dot, 1/2 dot and if I advance 3/4 dot do I have a 3/4 race cam?
Well sure.... that's how they came up with the classifications of 1/4 Midget, 3/4 Midget, right? LOL