kissing, caressing, embracing, love-making; physical intimacy between two people (in mainstream films, even in the "18" category, images of sexual activity are never as explicit as in adults - only "X18" material, eg. there is no focus on the genitals

This is the term that should have been used by the court in the Paula Corbin Jones/Clinton matter. Any activity or combination of activities designed to cause sexual excitement which, if continued, will cause orgasm for one or both parties. Sexual activity includes but is not limited to: oral sex, vaginal intercourse, stimulating [with the hands or mouth] the penis of the man or the breasts and vulva of the woman.