It refers to the roles and responsibilities of men and women that are created in our families, our societies and our cultures.
The concept of gender also includes the expectations held about the characteristics, aptitudes and likely behaviours of both women and men (femininity and masculinity).
Gender roles are expectations are learned. They can change overtime and they vary within and between cultures.
The concept of gender is vital because, applied to social analysis, it reveals how women’s subordination (or men’s domination) is socially constructed.
It is not biologically predetermined nor it is fixed forever.