Oes rhywun wedi dod ar draws "masterplanning"? Pennawd sy gen i: "Masterplanning in the landscape" "A masterplan is a conceptual plan outlining the preferred usage of land and general layout." "Masterplans: Comprehensive plans for an area of renewal or development, where particular attention must be paid to site specific variables, in consultation with the local community." goruwchgynllunio?