| Cognizer : Познаватель |  | The person who retains and retrieves information. |  |  | 
    | Mental_content : Ментальное содержание |  | Mental_content stored by and accessible to the Cognizer. It may derive from experience or activity or simply from being informed of it. |  |  | 
    | Accuracy : Точность |  | The extent to which the remembered Mental_content matches the information or experience that it is based on. |  |  | 
    | Context : Контекст |  | A situation or a text from which the Mental_content was acquired. |  |  | 
    | Time : Время |  | The time when the Cognizer retrieves Mental_content or forgets it. |  |  | 
    | Topic : Тема |  | An entity, concrete or abstract, or an event that the remembered Mental_content is about. |  |  |