 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.Pornography encompasses a wide variety of genres.Pornography featuring heterosexual acts composes the bulk of pornography and is "centred and invisible", marking the industry as heteronormative.