What is a combination of laws and customs that people live by?

A combination of laws and customs that people live by is often referred to as a legal system or legal culture. This encompasses formal statutes, regulations, and judicial decisions, alongside informal social norms, traditions, and practices that guide behavior within a community. Together, these elements shape societal expectations, influence individual behavior, and maintain social order. They reflect the values and beliefs of a society, adapting over time to changes in culture and circumstances.