So, they leave their shoes at the door. They sleep on mats. It's okay to eat something that accidentally touches it. Different beliefs produce different values and behaviour. What you think is true will decide what you think is right or good, and what you do.
World view is all about the ultimate questions of reality.
Our world view is a series of unstated assumptions. It's something we are rarely aware of, until it comes into contact with another world view. Every culture assumes specific answers to these kind of questions. Those answers control and integrate every part of the culture, so that it becomes the integrated system of ideas, learned patterns of behaviour, and products characteristic of a society. Culture gives you a mental map for making sense of the world and for determining action.