Header HTML+*self+*editor+*self+*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 Header HTML+*self+*editor+*self+*children+*children Cards formed by "mating" Header HTML+*self+*editor+*self+*children with another card. eg: "Header HTML+*self+*editor+*self+*children+mate".