Ally - Someone who advocates and supports a community other than their own.
Binary - A system only encompassing two options. This term is also used as an adjective to describe the genders female/male or woman/man.
Bisexual or bi - An umbrella term for people who experience sexual and/or emotional attraction to more than one gender.
Cisgender or cis - Term for someone who exclusively identifies as their sex assigned at birth.
Gender expression or presentation - The physical manifestation of one’s gender identity through clothing, hairstyle, voice, body shape, etc. (typically referred to as masculine or feminine).
Gender Identity - One’s internal sense of being male, female, neither of these, both, or other gender(s).
Sex Assigned at Birth - The assignment and classification of people as male, female, intersex, or another sex assigned at birth often based on physical anatomy at birth and/or karyotyping.
Sexual Orientation - A person’s physical, romantic, emotional, aesthetic, and/or other form of attraction to others. In Western cultures, gender identity and sexual orientation are not the same.
Transgender or trans - An umbrella term for people whose gender identity differs from the sex they were assigned at birth.
Transition - A person’s process of developing and assuming a gender expression to match their gender identity. Transition can include: coming out to one’s family, friends, and/or co-workers; changing one’s name and/or sex on legal documents; hormone therapy; and possibly (though not always) some form of surgery.
Transsexual - A deprecated term that is often considered pejorative similar to transgender in that it indicates a difference between one’s gender identity and sex assigned at birth.
Queer - A term for people of marginalized gender identities and sexual orientations who are not cisgender and/or heterosexual.