Thanks. Got it now
And to complete it,
To be out LBW
A - it should not be a no-ball (pretty obvious)
+
B - the ball must be hitting the stumps no matter what (line + height)
+
C - one of the following:
1. If a batsman offers no stroke, the ball is only going to be be hitting the stumps!
2. If a batsman IS offering a shot, then the ball must hit the pad in line with the stumps (for a bowler bowling OVER the wicket)
3. If a batsman IS offering a shot, then it must both pitch in line (within stumps) and hit the pad in line with the stumps (for a bowler bowling AROUND the wicket)