Dominance

One of the core principles of BDSM as an opposite to submission. The D in BDSM stands for Dominance as well as Discipline.

A form of mental/role play where the person dominates the other party. Related roles include Domina, Dominant and Domme but more roles can include forms of dominance.

The level of dominance can change greatly between dynamics, roles like Master or Mistress are a different kind of dominance than other roles like Mommy or Daddy. However all are valid the the dynamic that people choose to be in.