Swinging is one of the most widely practised forms of consensual non-monogamy in the world, yet it remains one of the most misunderstood. Part of that misunderstanding comes from a lack of clear, accessible information. This collection addresses that directly by gathering the core definitions that anyone exploring swinging — whether as a newcomer or an experienced participant — should understand thoroughly. The terms in this collection cover the full spectrum of swinging activity, from the most conservative forms of same-room play to full swap encounters, and everything in between. They also address the social and emotional dimensions of swinging that are just as important as the physical ones. **What swinging actually is** At its core, swinging is a consensual activity in which couples engage in sexual experiences with other couples or individuals, with the full knowledge and agreement of all partners involved. The word consensual is the most important word in that sentence. Swinging without genuine, enthusiastic consent from all parties is not swinging — it is something else entirely. Swinging takes many forms. Some couples prefer soft swap, limiting their interactions with others to kissing and touching. Others are comfortable with full swap, which includes penetrative intercourse with other partners. Some couples enjoy same-room play, where both partners are present and can see each other throughout. Others are comfortable with separate-room encounters. There is no single correct way to swing — the right approach is whatever both partners genuinely agree to. **The social side of swinging** What surprises many newcomers is how much of the lifestyle is social rather than sexual. Lifestyle clubs, resorts, and events are primarily social environments. Most of the time spent at a lifestyle venue involves conversation, dancing, and getting to know other couples in exactly the same way you would at any social gathering. The sexual component, when it happens, is a smaller part of the overall experience than most newcomers expect. This social dimension is one of the reasons many couples find the lifestyle so rewarding. The connections made — the friendships with like-minded couples, the sense of community, the shared understanding — are often described as the most valuable aspect of lifestyle participation. **Using this collection** Read through each term carefully and discuss them with your partner. Pay attention to the nuances between similar terms — for example, the distinction between soft swap and full swap, or between same-room and separate-room play. These distinctions matter enormously when you are setting your own boundaries and communicating them to potential partners. If you are new to the lifestyle, we recommend pairing this collection with the Beginner Lifestyle Terms and Consent and Safety Terms collections for a complete foundation.