Here's a basic glossary to get most of you going! 

Agender: Describes a person who identifies as having no gender.

Ally: A person who supports and stands up for the rights of LGBT people.

Androgyne: A person with physical traits of male and female

Aromantic: An orientation that describes a person who experiences little or no romantic attraction to others and/or a lack of interest in forming romantic relationships.

Asexual: A sexual orientation generally characterized by not feeling sexual attraction or a desire for partnered sexuality. Asexuality is distinct from celibacy, which is the deliberate abstention from sexual activity. Some asexual people do have sex. There are many diverse ways of being asexual.

Bigender: Having two genders, exhibiting cultural characteristics of masculine and feminine roles

Bisexual: A person whose primary sexual and affectional orientation is toward people of the same and other genders, or towards people regardless of their gender.

Cross Dresser (CD): A word to describe a person who dresses, at least partially, as a member of a gender other than their assigned sex; carries no implications of sexual orientation. 

Demisexual: Demisexuality is a sexual orientation in which someone feels sexual attraction only to people with whom they have an emotional bond. Most demisexuals feel sexual attraction rarely compared to the general population, and some have little to no interest in sexual activity. Demisexuals are considered to be on the asexual spectrum, meaning they are closely aligned with asexuality.

Gay: A sexual and affectional orientation toward people of the same gender; can be used as an umbrella term for men and women.

Gender fluid: Describes a person whose gender identity is not fixed. A person who is gender fluid may always feel like a mix of the two traditional genders, but may feel more one gender some days, and another gender other days.

Gender Queer: A person whose gender identity and/or gender expression falls outside of the dominant societal norm for their assigned sex, is beyond genders, or is some combination of them.

Heterosexuality: A sexual orientation in which a person feels physically and emotionally attracted to people of a gender other than their own.

Homosexual/Homosexuality: An outdated term to describe a sexual orientation in which a person feels physically and emotionally attracted to people of the same gender. Historically, it was a term used to pathologize gay and lesbian people.

Intersex: People who naturally (that is, without any medical intervention) develop primary or secondary sex characteristics that do not fit neatly into society's definitions of male or female. 

Lesbian: A woman whose primary sexual and affectional orientation is toward people of the same gender.

Pansexual, Omnisexual: Terms used to describe people who have romantic, sexual or affectional desire for people of all genders and sexes.

Polyamory: Denotes consensually being in/open to multiple loving relationships at the same time. Some polyamorists (polyamorous people) consider "poly" to be a relationship orientation. Sometimes used as an umbrella term for all forms of ethical, consensual, and loving non-monogamy.

Polygender, Pangender: Exhibiting characteristics of multiple genders, deliberately refuting the concept of only two genders.

Queer: Anyone who chooses to identify as such. This can include, but is not limited to, gay, lesbian, bisexual, transgender, intersex and asexual people. Not all the people in the above subcategories I.D. as queer, and many people NOT in the above groups DO. This term has different meanings to different people. 

Questioning: The process of exploring one's own gender identity, gender expression, and/or sexual orientation. Some folks may also use this term to name their identity within the LGBTQIA community.

Transgender: Adjective used most often as an umbrella term, and frequently abbreviated to "trans" or "transman/transwoman". It describes a wide range of identities and experiences of people whose gender identity and/or expression differs from conventional expectations based on their assigned sex at birth.

Homophilia: to mean an open, supportive and non-judgemental acceptance towards gays and lesbians

Coming out of the closet: is a metaphor for LGBT people's self-disclosure of their sexual orientation or gender identity.

And now introducing the different sexualities that come under LGBTQ PLUS community

1. GAY

2. LESBIAN

3. INTERSEX

4. ASEXUAL

5. QUEER

6. BISEXUAL

7. PANSEXUAL

8. TRANSGENDER

9. NON-BINARY

10. POLYSEXUAL

11. GENDER FLUID

Please tell if I missed any!