when you hover cursor on green circle, word appears that explains what it means
Same should be added to “SD”
In Russian chat someone asked what “ДВ” means. This is what is written instead of SD in Russian version of site. I explained that it means Sudden Death. But I was unable to understand which words are stay behind it. Hour later by exploring sound settings I finally understood “Дополнительное Время”. Which means “Overtime” instead of “The Last Overtime” or “Last Period” - still not clear.
Translations to other languages may have even more problems. So short form of “SD” should be expanded when you hover cursor. And its better to also add words “Last Period”, not just “Sudden Death”