This document discusses the differences between sex, gender, gender identity, and sexual orientation. It defines sex as one's biological status as male, female or intersex based on physical traits. Gender is defined as the social and cultural roles associated with each sex. Gender identity refers to one's internal sense of gender, which may or may not align with their sex assigned at birth. Sexual orientation describes one's emotional and sexual attraction to other genders. The document notes that while sex traits are universal, gender roles can vary significantly across cultures.