It can mean model, example. They are impositions of society in relation to culture, ideas, prejudices, attitudes, beliefs and opinions. It is also considered a stereotype something that is repeated or done automatically. Something to emulate.
stereotype-refers to the expression : an iron that is used in stereotyping
Stereotype: ( m. ) Idea, expression, image or model associated with a social group, which are attributed to their behaviors, qualities, skills and other characteristics that identify it and that, in general, cannot be changed or altered.
It corresponds to image or representation of something or someone and tends to generalize to all members of a group