BDSM there are so many different forms and so many terms describing different fetish types that it would take a book just for the term BDSM!

Some examples are: BDSM - Bondage Discipline, Dominance Submission, Sadism Masochism
Bondage Acts involving the physical restraint of a partner. Bondage typically refers to total restraint, however it can be limited to a particular body part, such as breast boob tits bondage.
Butt plug Much like a dildo, only shaped slightly differently. The flared base allows for safe anal penetration. They come in a variety of sizes; some can vibrate.
Collared Submissive or slave who is owned, usually (but certainly not exclusively) in a loving intimate relationship. A dominant may have multiple persons collared.
Dom Man or woman who takes control (from dominant). Dominant Man or woman who takes control.
Domme Woman who takes control (see also Dominatrix).
Fetish A specific obsession or delight in one object or experience.
Golden showers Urinating on, or being urinated on by, another person.
Slave Position Also called the pleasure position. Sub is kneeling, legs spread, head down and hands on thighs, with palms up
Tease and denial Keeping another person aroused while delaying or preventing resolution of the feelings, to keep them in a continual state of anticipatory tension and inner conflict, and heightened sensitivity. (see also orgasm denial).
There are so many more like Tit torture, Vanilla sex, Wax play and more.....