pur ‧ view /ˈpɜːvjuː $ ˈpɜːr-/ BrE AmE noun
[ Date: 1400-1500 ; Language: Anglo-French ; Origin: purveu est 'it is provided' (first words of a law) ]
within/outside the purview of somebody/something formal within or outside the limits of someone’s job, activity, or knowledge:
This matter comes within the purview of the Department of Health.