BDSM has become an umbrella term for certain kinds of erotic behavior between consenting adults. Facesitting when a woman or a young girl sits on a man face. Scenes of multiple penetration are common in pornography. Pornographic films or sex films are films that present sexually explicit subject matter for the purpose of sexual arousal and erotic satisfaction of the viewer. Cum swapping pornography involves performers trading semen between their mouths. Bodily functions Menstrual or red rhapsody pornography features hentai porn sexual activities involving women who are menstruating, with a focus on the menstrual blood. Pornography can be classified hot gay sex according to the physical characteristics of the participants, fetish, sexual orientation, etc., as well as the types of sexual activity featured. It generally contains nudity or partial nudity in sexually suggestive situations. RACK may be seen as focusing primarily upon awareness and informed consent, rather than accepted safe practices. This is not due to a medical need. Bukkake pornography usually depicts numerous men having sex with one woman, with multiple, usually 10 or more, men ejaculating on the female face. Cum-shot pornography features a collection of male ejaculation scenes. The partition momporn maintains anonymity. Through the 1990s, mainstream movie and television actors have been more willing to portray homosexuality, as the threat of any backlash against their careers has lessened and society acceptance of gay and lesbian people has increased. For their consent, they must have relevant information at hand and the necessary mental capacity to judge. As observation is encouraged, voyeurism and exhibitionism are closely associated with dogging. Softcore pornography generally contains nudity or partial nudity in sexually suggestive situations, but without explicit sexual activity, sexual penetration or extreme fetishism, while hardcore pornography may contain graphic sexual activity and visible penetration, including unsimulated sex scenes.