Domination and submission (D&s, Ds or D/s1), known in the sadomasochistic field, is a game of behaviors and desires in which a person wishes to be dominated by one (or more) other person(s) in an erotic, sexual or Physical contact purpose is not required and this type of play can be conducted online anonymously by telephone, email or other messaging system. In other cases, it can be intensely physical, sometimes bordering on sadomasochism. In domination and submission, both parties enjoy being dominant or dominated. Individuals who choose the superior role are called "dominant" (for boys) or "dominatrices".