Result: result type for all operations Location: latitude,longitude,altitude values ObservationRule ObservationPatternType: Measurement The list of measurements done during the observation process TaleObservation List of HealtObservations Alert TaleObservationAlert AgendaListType AgendaType QuestionnaireListType QuetionnaireType QuestionListType Each Option is composed of several items AnswerListType AnswerType AnswerObject