Gender:
It refers to the socialized identities prescribing roles, responsibilities, characteristics and behaviors attributed built by society to women and men and the social and cultural meaning attributed to these biological differences.
Gender expression:
Ways a person communicates their gender identity through their physical appearance (including dress, hair styles and the use of cosmetics), mannerisms, speech patterns and behavior patterns in interaction with others.
Gender identity:
The perception of a person to be a man, woman, or some alternative gender or combination of genres. Gender identity of a person may or may not correspond with the sex assigned at birth.