Bi is what people label me. For me I like men when im lazy and don't feel like trying very hard, or just want something quick and carefree, Sex and relationships, matters of the heart and such I save for the women.
Most people associate those two terms and similar ones with sexual orientation rather than gender identity. Very common, I hear it all the time among my friends in a support group on facebook
Those people do not have an accurate understanding of what those words mean then. THose are medical conditions (though some people see being trans as an identity) and have absolutely nothing to do with sexual orientation.
I'm a lesbian. Actually, I'm sometimes attracted to transguys or genderqueer people, but since 90% of the time I'm attracted to cis or trans* women, I identify as lesbian. "Queer" is becoming too much of an all-encompassing term for absolutely anything including the occasional "edgy" straight ally, and "pansexual" is inaccurate because I'm not at all attracted to cisguys.