Check out the “Let it Snow” Xmas 2020 Group youtube project!”
An excellent explanation of that term, Mr Jim. I don't think I have ever heard/seen it defined so clearly.
"This young wine may have a lot of tannins now, but in 5 or 10 years it is going to be spectacular, despite the fact that right now it tastes like crude oil. You know this is how it is supposed to taste at this stage of development." ~ Itzhak Perlman