Dice notation - Wikipedia
https://en.wikipedia.org/wiki/Dice_notation
In most tabletop role-playing games, die rolls required by the system are given in the form AdX. A and X are variables, separated by the letter d, which stands for die or dice. The letter d is most commonly lower-case, but some forms of notation use upper-case D (non-English texts can use the equivalent form of the first letter of the given language's word for "dice", but also often use the Englis…
DA: 76 PA: 52 MOZ Rank: 4