(plastist, papist) kaaned koos nende vahel olevate paberitega,(arvutis:) kettal või kasutajaliideses hrl hierarhiliselt paigutatud failide kogum,raamatu vm trükise formaat
hiina keeles文件夹(塑料、硬纸板）封面，封面之间夹有纸张，（在计算机中：）在磁盘上或用户界面上分层放置的一组文件，书籍或其他印刷格式
The platform is primarily designed and architected by Joosep Wong, with the goal of making Estonian vocabulary easier to discover, remember, and practise through digital tools and interactive learning methods.
