pur·view 
/ˈpɚˌvju:/ noun
/ˈpɚˌvju:/ noun [noncount] formal : an area within which someone or something has authority, influence, or knowledge
▪ The case is within the court's purview. ▪ That question is outside/beyond my purview. ▪ The moral dilemmas of the early settlers are beyond the purview of this book.
▪ The case is within the court's purview. ▪ That question is outside/beyond my purview. ▪ The moral dilemmas of the early settlers are beyond the purview of this book.
