D/s relationships vary widely. They can be purely sexual, purely domestic (such as service-oriented submission), or a combination. They can occur only during specific "scenes" (sessions) or be a 24/7 lifestyle.

A DDSC is a type of agreement or contract between two or more individuals, typically a dominant and a submissive, that outlines the terms and conditions of their BDSM relationship or play. The contract serves as a framework for their interactions, ensuring that all parties involved are on the same page and that their experiences are safe, consensual, and enjoyable.

While not a universal standard like "SSC" (Safe, Sane, Consensual) or "RACK" (Risk-Aware Consensual Kink), DDSC has emerged within specific online and real-life communities to represent a unique intersection of identities. Deconstructing the acronym yields four distinct, often overlapping pillars: (or Medical Fetishism), and Consent .