I’m not sure if anybody has already answered but i’ll say it anyways. Non-binary is basically where a person doesn’t really identify as male or female :)
where as bi gender is someone who identify as both male and female!
pan gender, if i can remember, is someone who identifies as all genders
gender fluid i believe is someone who doesn’t identify by having a fixed gender.
there are many more genders but i’m still educating myself about them. !