BDSM stands for:

• Bondage and Discipline (B &D)
• Dominance and Submission (D &s)
• Sadomasochism (S &M)

It is an umbrella term for a variety of erotic practices and role-playing involving these elements, often characterized by power exchange dynamics between consenting adults. Bondage refers to physical restraint, discipline involves agreed rules and punishments, dominance and submission describe psychological control and obedience roles, and sadomasochism involves deriving pleasure from inflicting or receiving pain, either physical or emotional