Culture describes behavior, interaction and social norm people depict in societies.
Culture is also described by aspects such as religious practices, cultural celebrations, hierarchies, roles and etc.
Culture also means fundamental knowledge which a shared among a large group of people.
Culture is a way of life because in most societies it shapes the way people carry themselves and expresses themselves.
Step-by-step explanation
Self-expression can be through opinions, views, fashion and other aspects.
It sometimes guides the way people make decisions and interact with other beings.