Method used to represent geographic information in the dataset datatype of element or entity new metadata element, not found in ISO 19115, which is required to describe geographic data name of the extended metadata element definition of the extended element obligation of the extended element condition under which the extended element is mandatory code which identifies the kind of value provided in the extended element maximum occurrence of the extended element valid values that can be assigned to the extended element name of the metadata entity(s) under which this extended metadata element may appear. The name(s) may be standard metadata element(s) or other extended metadata element(s) specifies how the extended element relates to other existing elements and entities reason for creating the extended element name of the person or organisation creating the extended element information describing metadata extensions information about on-line sources containing the community profile name and the extended metadata elements. Information for all new metadata elements obligation of the element or entity obligation of the element or entity element is always required element is not required element is required when a specific condition is met