system, 15 would be the letters A and E, and they would be used as the initials of someone's name--for example, Albert Einstein. Albert Einstein would then be given a characteristic action, such as "writing on a blackboard". Each two-digit number would have an associated person and action.

The Dominic system is specifically designed as a person-action system, while the major system can also be used to represent stand-alone objects. Many mnemonists use the major system as a person-action system as well, so the main difference is the way