For example: "North 90, South -90, East 180, West -180. Global" Data metadata was modified A summary of the content of the resource. Spatial characteristics of the intellectual content of the resource. A class of entity for whom the resource is intended or useful. The method by which items are added to a collection. The frequency with which items are added to a collection. The policy governing the addition of items to a collection. A process, used to engender knowledge, attitudes and skills, that the resource is designed to support. A statement of any changes in ownership and custody of the resource since its creation that are significant for its authenticity, integrity and interpretation. A person or organization owning or managing rights over the resource.