Alright this is kinda social Вопрос and a science Вопрос technically speaking.

Being a Non-Binary myself, it’s basically like Ты described. Non-Binary is under the Transgender Umbrella, alongside other Transgendered terms. Let me explain this еще thoroughly.

Under the Transgender Umbrella, there is:

Transsexual (these are people who feel actual dysphoria with their birth sex, and undergo transition in order to fix it.)
Transvestite (basically people who merely cross-dress, and don’t actually feel trapped as their current sex)
Drag (a performance art, not to be confused with Cross-dress)
And Genderqueer/Non-Binary (those who’s mentality don’t quite fit the traditional gender characteristics of masculinity and femininity.)

Some Non-Binary people may feel dysphoria, but I personally don’t. If Ты need еще info, I’d totally don’t mind talking еще about it.

TL;DR:

Non-binary: Personal identity

Intersex: Chromosome configuration and exhibited physical sex characteristics of both sexes.

Neither are an indication of another.

Pretty much what everyone сказал(-а) above it. Really wouldnt biological gender just be sex though? What gender Ты biologically are is just what sex they are right? или is sex supposed to be only judged on genitals and not on both genitals and chromosomes?

I mean I guess Ты could kinda say they might fall in the sector of hermaphrodites and all as being the inbetween but I dunno.

To be honest, all sides of this argument and discussion just became a little too much for me that at some point I kinda just opted out of the concept of gender XD

I got like so tired of trying to make an idea или opinion on something that I just didnt find important that for the past few years if anyone asked me what gender I am I just shrug and say "Whatever honestly. Call me whatever. But I was born female if Ты care."

Im not really for или against it and I honestly try not to dive too far into it cause its really just too complicated labeling if Ты ask me.

But thats for ME. I know it means a lot to others so Im not against people labeling themselves или messing with the concept of gender as being part of their identity.

Just personally I kind of opt out of it. Used to be genderfluid, used to be agender, now Im just Rikugender. Its too much work and hassle XD