*double click+*self+*editor+*children Search Toggle navigation activity Toggle Dropdown history discuss follow editors rules Toggle Dropdown common by group by name recent edit Toggle Dropdown content name type refresh children mates references out references in *double click+*self+*editor+*children+*children Cards formed by "mating" *double click+*self+*editor+*children with another card. eg: "*double click+*self+*editor+*children+mate".