People’s manifestation of their gender identity, and the one that is perceived by others.
Additional notes and information
Typically, people seek to make their gender expression or presentation match their gender identity/identities, irrespective of the sex that they were assigned at birth.
European Commission (2012). Trans and Intersex People – Discrimination on the Grounds Of Sex, Gender Identity and Gender Expression. European Network of Legal Experts in the Field of Gender Equality.