[Average Interval] - The "average interval" is the average time between breaks. It's an "average" because of interval deviations, which i'll be getting to in a moment. This is how much time will be in between your breaks on average. [interval Deviation] - This is a very important part of making sure jagex doesn't notice a precise pattern in our breaks. Lets say your "average interval" is 75 minutes, and your "interval deviation" is 10 minutes. This means that the time between your breaks can be anywhere from 65 - 85 minutes. [Average Break Time] - The "average break time" is the average length of the breaks your account will be taking. It is an average, because there are also break deviations, which I will get to in a moment. Your "average break time" should be how long you want your account to stay logged off per break on average. [break Time Deviation] - Break time deviation is very similar to "interval deviation". Your "break time deviation" is how much the length of your accounts break can deviate from the average time. Lets say your "average break time" is 20 minutes and your "break time deviation" is 5 minutes. This means your accounts breaks will be anywhere from 15-25 minutes long.