LGBTQ2+ is an abbreviation that stands for: lesbian, gay, bisexual, transgender, queer (or sometimes questioning), and two-spirited.
queer, intersex, and asexual
Some use LGBT+ to mean "LGBT and related communities". LGBTQIA is sometimes used and adds "queer, intersex, and asexual" to the basic term. Other variants may have a "U" for "unsure"; a "C" for "curious"; another "T" for "transvestite"; a "TS", or "2" for "two-spirit" persons; or an "SA" for "straight allies".
Instead of one line with complete homosexuality at one end and complete heterosexuality at the other, there are more than 200 scales people have developed to define sexuality.
Karl Heinrich Ulrichs, a 19th century German lawyer and writer who may have identified as gay, was the first to try to label his own community. As early as 1862, he used the term “Urning” to refer to men who were attracted to men.