These are some useful term and its definitions that LGBTI people and allies can find convenient.
Lets see what have The Guardian for us.
LGBTQ is lesbian, gay, bisexual, transgender and queer; GSM is gender and sexual minorities; DSG is diverse genders and sexualities. Quiltbag is queer (or questioning), undecided, intersex, lesbian, trans, bisexual, asexual (or allied) and gay (or genderqueer).
A straight person who supports and respects members of the LGBTQ community.
One who fluctuates between traditional “female” and “male” gender-based behaviour and identities, identifying with both genders (and sometimes a third gender).
The physical anatomy and gendered hormones with which one is born, generally described as male, female or intersex, and often conflated with gender.
A person whose gender identity, gender expression and biological sex all align (eg, man, masculine, and male).
The process of revealing your sexuality or gender identity to individuals in your life; often incorrectly thought to be a one-time event, this is a lifelong and sometimes daily process; not to be confused with “outing”.
Generally with another term attached, such as gender-fluid or fluid-sexuality, fluid(ity) describes an identity that is a fluctuating mix of the options available (eg, man and woman, bisexual and straight).
Abbreviation for female-to-male transgender or transsexual person; male-to-female transgender or transsexual person.
The external display of gender, through dress, demeanour, social behaviour and other factors, generally measured on a scale of masculinity and femininity.
The internal perception of an individual’s gender and how they label themselves.
A catch-all term for gender identities other than man and woman. People who identify as genderqueer may think of themselves as one or more of the following: both man and woman (bigender, pangender); neither man nor woman (genderless, agender); moving between genders (genderfluid); third gender or other-gendered. Includes those who do not place a name to their gender; having an overlap of, or blurred lines between, gender identity and sexual and romantic orientation.
A person with sexual anatomy that doesn’t fit within the labels of female or male (eg: 47, XXY phenotype, uterus, and penis). Hermaphrodite is an outdated medical term.
A person who experiences sexual, romantic, physical or spiritual attraction for members of all gender identities and expressions.
Used as an umbrella term to describe individuals who don’t identify as straight. Due to its historical use as a derogatory term, it is not embraced by all LGBTQ people.
The process of exploring one’s own sexual orientation.
Attracted to genderqueer and transsexual people.
1. A person who does not identify with the traditional genders of “male” or “female,” but identifies with another gender.
2. The gender category available in societies that recognise three or more genders.
A blanket term used to describe all people who are not cisgender.
A term used to describe the process of moving from one sex or gender to another.
A person whose gender identity is the binary opposite of their biological sex, who may undergo medical treatments to change their biological sex, often to align it with their gender identity, or they may live their lives as the opposite sex; often confused with “trans-man” or “trans-woman”.
Transvestite A person who dresses as the binary opposite gender expression (“cross-dresses”) for any one of many reasons, including relaxation, fun, and sexual gratification.
I disagree personally with this word being included, since this word is rather offensive and quite is not part of the set of identity related term, I better would like to place it in a dictionary of fetiches.