For example, a farmhouse might be the building named in the list entry, but other structures such as barns or stable blocks within its curtilage may still be part of the listing.
Er enghraifft, mae’n bosibl mai ffermdy yw’r adeilad a enwir yn y cofnod ar y rhestr, ond gall strwythurau eraill megis ysguboriau neu flociau stablau o fewn ei gwrtil fod yn rhan o’r rhestriad o hyd.