funda
noun/ˈfʌndə/
/ˈfʌndə/
(Indian English)- a fundamental principle that is the basis of something but that is not always easily noticed
（潜在的）根本原则，基本原理 - The artist explained the funda behind her exhibits.
艺术家解释了她的展品背后的基本原理。
- The artist explained the funda behind her exhibits.