Dominance and submission
Dominance and submission (also known as D&s, Ds or D/s) is a set of behaviors, customs and rituals relating to the giving and accepting of dominance of one individual over another in an erotic or lifestyle context.
Physical contact is not a necessity, and it can even be conducted anonymously over telephone, email or instant messaging services. In other cases it can be intensely physical, sometimes traversing into sadomasochism. In D/s, one takes pleasure or erotic enjoyment out of either dominating or being dominated. Those who take the superior position are called Dominants, Doms (male) or Dommes (female), while those who take the subordinate position are called submissives or subs (male or female). A switch is an individual who plays in either role. Two switches together may negotiate and exchange roles several times in a session. "Dominatrix" is a term usually reserved for a female professional dominant who dominates others for pay.