LGBTQ is an initialism for lesbian, gay, bisexual, transgender, and queer or questioning. Many variants of the initialism are used, including LGBTQIA, which incorporates intersex and asexual, aromantic, or agender. LGBTQ and related initialisms are umbrella terms, originating in the United States, broadly referring to all sexual orientations, romantic orientations, gender identities, and sex characteristics that are not heterosexual, heteroromantic, cisgender, or endosex, respectively.