RELATION_POPUP_FOR,
/** This is the reciprocal relation to RELATION_POPUP_FOR. */
RELATION_PARENT_WINDOW_OF,
+ /** Indicates that an object provides descriptive information
+ * about another object; more verbose than RELATION_LABEL_FOR. */
+ RELATION_DESCRIPTION_FOR,
+ /** Indicates that another object provides descriptive information
+ * about this object; more verbose than RELATION_LABELLED_BY. */
+ RELATION_DESCRIBED_BY,
/** Do not use as a parameter value, used to determine the size of the enumeration. */
RELATION_LAST_DEFINED
};