319image20+*mates+*refers to+*referred to by 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 319image20+*mates+*refers to+*referred to by+*mates If there is a card named "X+319image20+*mates+*refers to+*referred to by", then X is a mate of 319image20+*mates+*refers to+*referred to by.