Custom: A traditional and widely accepted way of behaving or doing something that is specific to a particular society, place, or time 

Tradition: The transmission of customs or beliefs from generation to generation, or the fact of being passed on in this way. Or: A long-established custom or belief that has been passed on from one generation to another.

Culture: There are many interpretations and definitions of what culture is. Some define ‘culture’ as that which distinguishes life in one group from life in another group, including language, beliefs, morality, norms, institutions, values, symbols, and physical objects, among other qualities.

Culture can be defined as the learned beliefs, values, rules, norms, symbols, and traditions that are common to a group of people. It is these shared qualities of a group that make them unique. Cultural practices are constantly changing and transmitted to others.