Homosexuality is the term used to describe a person's sexual orientation towards people of the same sex.

Transgender is the term used to describe a person's gender identity that does not conform to the traditional binary categories of male and female.

Sexual identity development is the term used to describe the process by which individuals develop their sexual orientation and gender identity.

The biosocial theory suggests that sexual orientation is determined by a combination of biological and environmental factors.

The chromosomal theory suggests that gender identity is determined by a person's chromosomes.

The social learning theory suggests that gender identity is determined by a person's experiences in childhood.

The cognitive-developmental theory suggests that gender identity is determined by a person's cognitive development.

The social role theory suggests that gender identity is determined by a person's social roles.

Bigender is the term used to describe a person who identifies as both male and female.

Agender is the term used to describe a person who does not identify as either male or female.

Gender non-conforming is the term used to describe a person who expresses their gender in a way that does not conform to traditional gender roles.

Pansexual is the term used to describe a person who experiences sexual attraction to people of all genders.

Autosexual is the term used to describe a person who experiences sexual attraction to people who identify as the same gender as them.

Allosexual is the term used to describe a person who experiences sexual attraction to people who identify as a different gender than them.

Asexual is the term used to describe a person who does not experience sexual attraction to anyone.