from the LGBTQIA Info website
If you're just learning about sexuality, gender, and all these other things, they can be a little hard to remember. This acronym not only serves as a symbol of our movement for rights, but even as a memory tool for those who need a little help.
L – Lesbian. Lesbian is a term used to refer to homosexual females.
G – Gay. Gay is a term used to refer to homosexuality, a homosexual person, or a homosexual male.
B – Bisexual. Bisexual is when a person is attracted to two sexes/genders.
T – Trans. Trans is an umbrella term for transgender and transsexual people.
Q – Queer/Questioning. Queer is an umbrella term for all of those who are not heterosexual and/or cisgender. Questioning is when a person isn't 100% sure of their sexual orientation and/or gender, and are trying to find their true identity.
I – Intersex. Intersex is when a person has an indeterminate mix of primary and secondary sex characteristics.
A – Asexuality. Asexuality is when a person experiences no (or little, if referring to demisexuality or grey-asexuality) sexual attraction to people.
+ – The “+” symbol simply stands for all of the other sexualities, sexes, and genders that aren't included in these few letters.