القائمة
UX-ly speaking (yes, I'm creative word-maker), I think that would be a good idea to add a question-mark pop-up on the right of the "Order" select box of the advanced search to explain what this mysterious "Relevance" is about. Right now, that's pretty much 100% unclear.
I agree.
I created an issue on GitHub: https://github.com/Tatoeba/tatoeba2/issues/1926