The Basics: What is Bisexuality?

Bisexuality, quite simply, is a sexual orientation within the LGBTQIA+, or as I like to call it, MOGAI (Marginalized Orientations, Gender Alignments, and Intersex) community in which someone experiences sexual attraction to more than one gender.

There are around two definitions within the bi community:  Attraction to same and different genders, or attraction to two or more genders.  Either definition is fine to use.

If you're going "But wait, that isn't true, bisexuality means attraction to only men and women/only two genders because bi means 'two'," I am here to ask a few questions.  One, actually.

Do you identify as bisexual or biromantic? No? Well then! Stop telling bisexuals and biromantics what our own labels mean.  You are wrong, and you should sit down and listen to what we have to say.  Those are our definitions.  Stop spreading false information.

There are plenty more sexualities in the polysexual category, and a lot of them have a lot of overlap:

Polysexual is the broadest term, and often acts as an umbrella term for anyone who is attracted to more than one gender.  However, many people choose to use this term as their sexuality for multiple reasons; one might be that they are not attracted to people of the same gender as themselves and may not feel comfortable identifying as bisexual.

Bisexual is very similar to polysexual, but one definition is attraction to same and different genders (which is the definition I personally prefer).  People may prefer this term because it has a much better documented history, it's the most popular polysexual term, they may feel it describes them better than polysexual, etc.

Pansexual is the most specific popular label, and it means attraction to all genders.  That's the most I'd be able to define it because I'm not pan and can't speak for pan people.  From what I've seen, many pansexual people view gender to be very irrelevant in their attraction.

There are many, many, many more sexualities that people are making new terms for, but these are the big three polysexual terms, and are usually good enough to start with.

Don't try to police people's identities.  Someone experiences attraction to all genders but chooses to id as bi?  Don't call them pansexual.  There is a reason they chose the label they chose to identify themselves.  Respect it.  Use the language they use to describe themselves.