Gender identity
All three of these factors contribute to how a person labels their self, and make gender a confusing construct to navigate. People can have gender presentations that don't match their gender identity, or a gender identity that doesn't match the gender they were assigned at birth, etc. A person whose gender identity matches the gender they were assigned at birth is called 'cisgender'. As time has passed, the growing voice of LGBTQ+ issues and rise of educational resources on the topics of gender and sexuality has allowed for many to learn about transgender issues, and help others with their own gender navigation.