The document discusses safety assurance, which involves collecting information to ensure that safety risk controls are effective and continuously meeting objectives. It describes safety assurance functions like monitoring operations, conducting audits, analyzing data from sources like reports and investigations, assessing system performance, and implementing corrective actions. The goal is to give confidence that risk controls are working as intended and safety is being maintained. Continuous monitoring, audits, data analysis, and corrective actions form a process circle to ensure safety.