WIP CSS+*machine input+*self+*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 WIP CSS+*machine input+*self+*self+*children+*children Cards formed by "mating" WIP CSS+*machine input+*self+*self+*children with another card. eg: "WIP CSS+*machine input+*self+*self+*children+mate".