Ability Score and Modifier
Source: Player’s Handbook (2024) p. 360. Available in the SRD and the Free Rules (2024)
A creature has six ability scores—Strength, Dexterity, Constitution, Intelligence, Wisdom, and Charisma—each of which has a corresponding modifier. Add the modifier when you make a D20 Test with the corresponding ability or when a rule asks you to do so.