优选词，正式主题词
Back side
定义
某概念特定涵义的完全解释- The side or surface opposite the front or face of something : the farthest or reverse side. (Merriam-Webster dictionary)
上位概念
上位概念其它语言
其它语言中概念术语- Back side
URI
https://purls.helmholtz-metadaten.de/skosmos/sdv/BackSide