A concept that was criticized when Yves Congar, OP introduced it before the Council. His books on The Meaning of Tradition and True and False Reform in the Church are still worth reading if you are interested in this topic.

You may read what I said as if the first 't' in tradition were capitalized, if we are using that convention. Is papal teaching part of Tradition? or is it part of tradition?

The Traditional Catholic response is Tradition, not tradition. That is what I mean by the term.