Compliance refers to conforming to rules, regulations, standards, or laws established by external authorities or governing bodies. It involves adhering to guidelines that ensure individuals, organizations, or processes operate legally and ethically. Compliance applies across various contexts like business, finance, healthcare, information security, and environmental regulations. The specific compliance requirements depend on factors like industry, jurisdiction, and activity. Non-compliance can lead to legal and financial penalties as well as reputational damage, so organizations establish compliance programs and appoint officers to ensure all relevant rules are followed.