The document discusses key concepts related to gender, sexuality, and human sexuality education. It defines sex as the biological basis of being male or female. Gender is defined as a social concept regarding how men and women should think, feel and act, referring to femininity and masculinity. Gender equality permits equal enjoyment of human rights for men and women. Sexuality is defined as an integral part of who we are and how we express ourselves as sexual beings, involving one's self-concept. Gender role refers to the set of roles, characteristics and expectations of how a man or woman should act that are influenced by society and peers.