sexual intercourse

have sex

fundamental, basic

sex, coitus / intimacy, relation

basis, foundation / (martial arts) kihon

one thing

desire, want, craving

to desire, to crave

(archaic) the world in which people live; the world, society

human, person, human being / personality, character / (Buddhism) literally meaning: "human society", referring to one of the six realms of reincarnation in Buddhist cosmology.