ranian culture is Class based, traditional and patriarchal.
What makes a difference with respect to Islam is the belief held by many Muslims that Islam is a body of values, ideas and beliefs that should encompass all spheres of life, including personal and social relationships, economics and politics.
Some might primarily associate with people from their own religion.
Very conservative Muslims may avoid shaking hands or kiss unrelated individuals from the opposite sex.
On the other hand the modern classes normally strive to guarantee the equality of sexes and eliminate gender discrimination.
Tradition is mostly based on religion particularly Islam and its prescribed codes of behavior, however it contains elements that are much older.