…or more complex and we are becoming more aware. First it was LGB and has gradually expanded to LGBTQIA+
Added references:
abbreviations.yourdictionary.com
en.wikipedia.org
The prefix cis- is not an acronym or abbreviation of another word; it is derived from Latin meaning on this side of, and the English word cissexual was coined in the 1990s, based on the slightly earlier German word zissexuell.
Gender Identity
en.wikipedia.org
My question is how closely related to Lesbian and Gay is being a Transgender person? My impression is that in gay and lesbian relationships it is not unusual to see a more masculine with a more feminine personality. Yet my impression is that they are distinctly different:
lgbt.wikia.org
Homosexuality and transgender are two separate concepts. Homosexuality usually refers to romantic/sexual attraction or behaviour between people of the same sex, while transgender is a matter of gender identity, meaning that a person identifies as a different gender than the one they were assigned (usually) at birth. It can also refer to an individual who identifies as neither a man nor a woman. Clear-cut distinctions between homosexuality and transgender are often impossible to make in different cultures and across time, especially where third gender social categories or gender-structured homosexuality exist.
I would guess that before transgender gained public awareness and maybe still today you might find transgender people identifying with the LG community. Of interest is the historical relationship at least according to the above link of some level of hostility between the LG community and transgender people:
Also, during the 1970s and 1980s, there was a considerable backlash in the gay and lesbian community towards transgender people [1], which culminated in the publication of "The Transsexual Empire" by Janice Raymond [2], a book that claimed feminine androphilic transwomen were "tools of patriarchy for upholding stereotypes of women" and lesbian (gynephilic) transwomen were "tools of patriarchy, fifth columnists infiltrating women's space and raping women's' bodies". It dismissed transmen (presumably heterosexual gynephilic ones) as "deluded and misguided lesbians, afraid of the label 'homosexual'". No distinction is made for describing homosexual androphilic transmen.
In the celebrity corner, I‘m currently playing a game called Beyond:Two Souls that features Williem Defoe andEllen Elliot Page which made me make a double take, because I am very familiar with this actress from Inception, X-Men: Days of Future Past, and Umbrella Academy. I say good for him. 
Added references:

What Does LGBTQIA+ Stand For? Full Abbreviation And Other Terms Explained
What does LGBTQIA+ stand for? Find out the LGBTQIA+ meaning including lesbian, gay, bisexual, transgender, queer, and intersexual.
Cisgender - Wikipedia
Gender Identity

Gender identity - Wikipedia
My question is how closely related to Lesbian and Gay is being a Transgender person? My impression is that in gay and lesbian relationships it is not unusual to see a more masculine with a more feminine personality. Yet my impression is that they are distinctly different:
- such as gay: I am a guy who likes guys
- compared to a transgender female: I am biologically male, but identify as a female, and am romantically attracted to males.

Homosexuality and transgender
Homosexuality and transgender are two separate concepts. Homosexuality usually refers to romantic/sexual attraction or behaviour between people of the same sex, while transgender is a matter of gender identity, meaning that a person identifies as a different gender than the one they were...
I would guess that before transgender gained public awareness and maybe still today you might find transgender people identifying with the LG community. Of interest is the historical relationship at least according to the above link of some level of hostility between the LG community and transgender people:
Also, during the 1970s and 1980s, there was a considerable backlash in the gay and lesbian community towards transgender people [1], which culminated in the publication of "The Transsexual Empire" by Janice Raymond [2], a book that claimed feminine androphilic transwomen were "tools of patriarchy for upholding stereotypes of women" and lesbian (gynephilic) transwomen were "tools of patriarchy, fifth columnists infiltrating women's space and raping women's' bodies". It dismissed transmen (presumably heterosexual gynephilic ones) as "deluded and misguided lesbians, afraid of the label 'homosexual'". No distinction is made for describing homosexual androphilic transmen.
In the celebrity corner, I‘m currently playing a game called Beyond:Two Souls that features Williem Defoe and
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