CW: Tip
Dice rolls are the bread and butter to almost every mechanic. They have the form xdy+z, where x is the number of dice, y is the number of die sides, and z is a flat modifier to add/subtract.
For example, "3d4+6" means to roll 3, 4 sided dice, sum the result, and add 6.
Some "rolls" are constants, e.g. "4", in which case the number 4 is always used.
#tip